[SQL] Oracle 필수 스크립트 모음(딕셔너리, SQL 문법, 성능 분석)

출처: http://estenpark.tistory.com/364 [전문가로가는길]

 
 
--======================================================================================
--#. 01 테이블스페이스별 파일 목록을 보기
--======================================================================================
 
SELECT    SUBSTRB(TABLESPACE_NAME, 1, 10) AS "테이블스페이스"
         ,SUBSTRB(FILE_NAME, 1, 50) AS "파일명"
         ,TO_CHAR(BLOCKS, '999,999,990') AS "블럭수"
         ,TO_CHAR(BYTES, '99,999,999') AS "크기"
FROM      DBA_DATA_FILES
ORDER BY  TABLESPACE_NAME, FILE_NAME;
 
--======================================================================================
--#. 02 테이블스페이스별 정보 보기
--======================================================================================
 
SELECT    A.TABLESPACE_NAME AS "TABLESPACE"
         ,A.INITIAL_EXTENT / 1024 AS "INIT(K)"
         ,A.NEXT_EXTENT / 1024 AS "NEXT(K)"
         ,A.MIN_EXTENTS AS "MIN"
         ,A.MAX_EXTENTS AS "MAX"
         ,A.PCT_INCREASE AS "PCT_INC(%)"
         ,B.FILE_NAME AS "FILE_NAME"
         ,B.BLOCKS * C.VALUE / 1024 / 1024 AS "SIZE(M)"
         ,B.STATUS AS "STATUS"
FROM      DBA_TABLESPACES A
         ,DBA_DATA_FILES B
         ,V$PARAMETER C
WHERE     A.TABLESPACE_NAME = B.TABLESPACE_NAME
AND       C.NAME = 'db_block_size'
ORDER BY  1, 2;
 
--======================================================================================
--#. 03 테이블스페이스별 사용하는 파일의 크기 합 보기
--======================================================================================
 
SELECT    SUBSTRB(TABLESPACE_NAME, 1, 10) AS TABLESPACE
         ,TO_CHAR(SUM(BYTES), '9,999,999,999,990') AS BYTES
         ,TO_CHAR(SUM(BLOCKS), '9,999,999,990') AS BLOCKS
FROM      DBA_DATA_FILES
GROUP BY  TABLESPACE_NAME
UNION ALL
SELECT    '총계', TO_CHAR(SUM(BYTES), '9,999,999,999,990') AS BYTES, TO_CHAR(SUM(BLOCKS),
         '9,999,999,990') AS BLOCKS
FROM      DBA_DATA_FILES;
 
--======================================================================================
--#. 04 테이블스페이스별 디스크 사용량 보기
--======================================================================================
 
SELECT    A.TABLESPACE_NAME AS "TABLESPACE"
         ,A.INIT AS "INIT(K)"
         ,A.NEXT AS "NEXT(K)"
         ,A.MIN AS "MIN"
         ,A.MAX AS "MAX"
         ,A.PCT_INC AS "PCT_INC(%)"
         ,TO_CHAR(B.TOTAL, '999,999,999,990') AS "총량(바이트)"
         ,TO_CHAR(C.FREE, '999,999,999,990') AS "남은량(바이트)"
         ,TO_CHAR(B.BLOCKS, '9,999,990') AS "총블럭"
         ,TO_CHAR(D.BLOCKS, '9,999,990') AS "사용블럭"
         ,TO_CHAR(100 * NVL(D.BLOCKS, 0) / B.BLOCKS, '999.99') AS "사용율%"
FROM      (SELECT    TABLESPACE_NAME
                    ,INITIAL_EXTENT / 1024 AS INIT
                    ,NEXT_EXTENT / 1024 AS NEXT
                    ,MIN_EXTENTS AS MIN
                    ,MAX_EXTENTS AS MAX
                    ,PCT_INCREASE AS PCT_INC
           FROM      DBA_TABLESPACES) A
         ,(SELECT    TABLESPACE_NAME, SUM(BYTES) AS TOTAL, SUM(BLOCKS) AS BLOCKS
           FROM      DBA_DATA_FILES
           GROUP BY  TABLESPACE_NAME) B
         ,(SELECT    TABLESPACE_NAME, SUM(BYTES) AS FREE
           FROM      DBA_FREE_SPACE
           GROUP BY  TABLESPACE_NAME) C
         ,(SELECT    TABLESPACE_NAME, SUM(BLOCKS) AS BLOCKS
           FROM      DBA_EXTENTS
           GROUP BY  TABLESPACE_NAME) D
WHERE     A.TABLESPACE_NAME = B.TABLESPACE_NAME(+)
AND       A.TABLESPACE_NAME = C.TABLESPACE_NAME(+)
AND       A.TABLESPACE_NAME = D.TABLESPACE_NAME(+)
ORDER BY  A.TABLESPACE_NAME;
 
--======================================================================================
--#. 05 테이블스페이스의 테이블 명 보기
--======================================================================================
 
SELECT    TABLESPACE_NAME, TABLE_NAME
FROM      USER_TABLES
WHERE     TABLESPACE_NAME = UPPER('&테이블스페이스명')
ORDER BY  TABLESPACE_NAME, TABLE_NAME;
 
--======================================================================================
--#. 06 ROLLBACK SEGMENT의 사용상황 보기
--======================================================================================
--: EXTENTS = 현재 할당된 EXTENT의 수
--: EXTENDS = 마지막 트랜잭션에 의해 할당된 EXTENT의 수
 
SELECT    SUBSTRB(A.SEGMENT_NAME, 1, 10) AS SEGMENT_NAME
         ,SUBSTRB(A.TABLESPACE_NAME, 1, 10) AS TABLESPACE_NAME
         ,TO_CHAR(A.SEGMENT_ID, '99,999') AS SEG_ID
         ,TO_CHAR(A.MAX_EXTENTS, '999,999') AS MAX_EXT
         ,TO_CHAR(B.EXTENTS, '999,999') AS EXTENTS
         ,TO_CHAR(B.EXTENDS, '999,999') AS EXTENDS
         ,TO_CHAR((A.INITIAL_EXTENT + (B.EXTENTS - 1) * A.NEXT_EXTENT) / 1000000, '9,999.999') AS "ALLOC(MB)"
         ,TO_CHAR(XACTS, '9,999') AS XACTS
FROM      DBA_ROLLBACK_SEGS A
         ,V$ROLLSTAT B
WHERE     A.SEGMENT_ID = B.USN(+)
ORDER BY  1;
 
--======================================================================================
--#. 07 CONSTRAINT 보기
--======================================================================================
 
SELECT    DECODE(A.CONSTRAINT_TYPE,  'P', 'Primary Key',  'R', 'Foreign Key', 
                 'C', 'Table Check',  'V', 'View Check',  'U', 'Unique',  '?')
            AS "유형"
         ,SUBSTRB(A.CONSTRAINT_NAME, 1, 25) AS CONSTRAINT_NAME
         ,B.POSITION
         ,SUBSTRB(B.COLUMN_NAME, 1, 25) AS COLUMN_NAME
FROM      DBA_CONSTRAINTS A
         ,DBA_CONS_COLUMNS B
WHERE     A.CONSTRAINT_NAME = B.CONSTRAINT_NAME
AND       A.OWNER = 'E_LUCIS'
AND       A.TABLE_NAME = UPPER('&테이블명')
ORDER BY  1, 2, 3;
 
--======================================================================================
--#. 08 INDEX 보기
--======================================================================================
 
SELECT    A.INDEX_NAME
         ,A.UNIQUENESS
         ,TO_CHAR(COLUMN_POSITION, '999') AS POS
         ,SUBSTRB(COLUMN_NAME, 1, 33) AS COLUMN_NAME
FROM      USER_INDEXES A
         ,USER_IND_COLUMNS B
WHERE     A.INDEX_NAME = B.INDEX_NAME
AND       A.TABLE_OWNER = UPPER('E_LUCIS')
AND       A.TABLE_NAME = UPPER('&테이블명')
ORDER BY  1, 3;
 
--======================================================================================
--#. 09 전체 INDEX 보기
--======================================================================================
 
SELECT    SUBSTRB(A.TABLE_NAME, 1, 22) AS TABLE_NAME
         ,SUBSTRB(A.INDEX_NAME, 1, 23) AS INDEX_NAME
         ,SUBSTRB(A.UNIQUENESS, 1, 7) AS UNIQUE
         ,TO_CHAR(COLUMN_POSITION, '999') AS POS
         ,SUBSTRB(COLUMN_NAME, 1, 20) AS COLUMN_NAME
FROM      DBA_INDEXES A
         ,DBA_IND_COLUMNS B
WHERE     A.INDEX_NAME = B.INDEX_NAME
AND       A.TABLE_OWNER = B.TABLE_OWNER
AND       A.TABLE_OWNER = 'E_LUCIS'
ORDER BY  1, 2, 3;
 
--======================================================================================
--#. 10 인덱스에 대한 컬럼 조회
--======================================================================================
 
SELECT    TABLE_NAME
         ,INDEX_NAME
         ,COLUMN_POSITION
         ,COLUMN_NAME
FROM      USER_IND_COLUMNS
ORDER BY  TABLE_NAME, INDEX_NAME, COLUMN_POSITION;
 
--======================================================================================
--#. 11 테이블에 LOCK이 걸렸는지를 보기
--======================================================================================
 
SELECT    A.SID
         ,A.SERIAL#
         ,SUBSTRB(A.USERNAME, 1, 16) AS USERNAME
         ,SUBSTRB(A.MACHINE, 1, 30) AS MACHINE
         ,A.TERMINAL
         ,A.OSUSER
         ,A.PROGRAM
         ,SUBSTRB(TO_CHAR(A.LOGON_TIME, 'MM/DD HH24:MI:SS'), 1, 14) AS LOGON_TIME
         ,SUBSTRB(C.OBJECT_NAME, 1, 58) AS OBJECT_NAME
FROM      V$SESSION A
         ,V$LOCK B
         ,DBA_OBJECTS C
WHERE     A.SID = B.SID
AND       B.ID1 = C.OBJECT_ID
AND       B.TYPE = 'TM'
AND       C.OBJECT_NAME LIKE UPPER('&테이블명');
 
--======================================================================================
--#. 12 Lock을 잡고있는 세션과 기다리는 세션 조회
--======================================================================================
 
SELECT    DECODE(B.LOCKWAIT, NULL, ' ', 'w') AS WW
         ,B.SID
         ,B.SERIAL# AS SER#
         ,SUBSTR(B.MACHINE, 1, 10) AS MACHINE
         ,SUBSTR(B.PROGRAM, 1, 15) AS PROGRAM
         ,SUBSTR(A.OBJECT_NAME, 1, 17) AS OBJ_NAME
         ,SUBSTR(B.STATUS, 1, 1) AS S
         ,DECODE(B.COMMAND,  0, NULL,  2, 'INSERT',  6, 'UPDATE',  7, 'DELETE',  B.COMMAND) AS SQLCMD
         ,B.PROCESS AS PGM_PSS
FROM      V$SESSION B
         ,(SELECT    A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME) AS OBJECT_NAME
           FROM      V$LOCK A
                    ,DBA_OBJECTS B
           WHERE     A.ID1 = B.OBJECT_ID(+)
           GROUP BY  A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME)) A
WHERE     B.SID = A.SID
AND       B.TADDR IS NOT NULL;
 
--======================================================================================
--#. 13 테이블에 걸린 비정상적 LOCK 풀기
--======================================================================================
ALTER SYSTEM KILL SESSION '&SID,&SERIAL';
 
--======================================================================================
--#. 14 연결되어 있는 OS 사용자 및 프로그램 조회
--======================================================================================
 
SELECT    SID
         ,SERIAL#
         ,OSUSER
         ,SUBSTRB(USERNAME, 1, 10) AS USER_NAME
         ,SUBSTRB(PROGRAM, 1, 30) AS PROGRAM_NAME
         ,STATUS
         ,TO_CHAR(LOGON_TIME, 'YYYY/MM/DD HH:MI') AS LOGON_TIME
FROM      V$SESSION
WHERE     TYPE != ‘BACKGROUND’
AND       STATUS = ‘ACTIVE’;
 
--======================================================================================
--#. 15 위치별 space를  아는 방법
--======================================================================================
 
SELECT    SUBSTRB(A.FILE_NAME, 1, 40) AS FILE_NAME
         ,A.FILE_ID
         ,B.FREE_BYTES / 1024 AS FREE_BYTES
         ,B.MAX_BYTES / 1024 AS MAX_BYTES
FROM      DBA_DATA_FILES A
         ,(SELECT    FILE_ID, SUM(BYTES) AS FREE_BYTES, MAX(BYTES) AS MAX_BYTES
           FROM      DBA_FREE_SPACE
           GROUP BY  FILE_ID) B
WHERE     A.FILE_ID = B.FILE_ID
AND       A.TABLESPACE_NAME = UPPER('&테이블스페이스명')
ORDER BY  A.FILE_NAME;
 
--======================================================================================
--#. 16 DB Link 보기
--======================================================================================
 
SELECT    SUBSTRB(U.NAME, 1, 10) AS OWNER
         ,SUBSTRB(L.NAME, 1, 20) AS DB_LINK
         ,SUBSTRB(L.HOST, 1, 10) AS HOST
         ,SUBSTRB(L.USERID || '/' || L.PASSWORD, 1, 15) AS USERPASS
FROM      SYS.LINK$ L
         ,SYS.USER$ U
WHERE     L.OWNER# = U.USER#;
 
--======================================================================================
--#. 17 테이블 생성일자 보기
--======================================================================================
 
SELECT    SUBSTRB(OBJECT_NAME, 1, 15) AS OBJECT_NAME
         ,CREATED
         ,LAST_DDL_TIME
         ,TIMESTAMP
         ,STATUS
FROM      USER_OBJECTS
WHERE     OBJECT_NAME = UPPER('&테이블명')
AND       OBJECT_TYPE = 'TABLE';
 
--======================================================================================
--#. 18 테이블의 크기 및 블록 보기
--======================================================================================
 
SELECT    SUBSTR(SEGMENT_NAME, 1, 20), BYTES, BLOCKS
FROM      USER_SEGMENTS
WHERE     SEGMENT_NAME = UPPER('&테이블명');
 
--======================================================================================
--#. 19 View의 정의 내역 보기
--======================================================================================
SET LONG 100000
 
SELECT    TEXT
FROM      USER_VIEWS
WHERE     VIEW_NAME LIKE UPPER('&뷰_이름');
 
--======================================================================================
--#. 20 파티션 테이블의 파티션 범위 보기
--======================================================================================
 
SELECT    SUBSTRB(PARTITION_NAME, 1, 30) AS PARTITION_NAME, SUBSTRB(TABLESPACE_NAME, 1, 30) 
          AS TABLESPACE_NAME, HIGH_VALUE
FROM      USER_TAB_PARTITIONS
WHERE     TABLE_NAME = UPPER('&테이블명');
 
--======================================================================================
--#. 21 PRIMARY KEY 재생성 방법
--======================================================================================
--- PRIMARY KEY DROP
 
ALTER TABLE EMP DROP PRIMARY KEY;
 
-- PRIMARY KEY 생성
ALTER TABLE EMP ADD CONSTRAINT EMP_PK PRIMARY KEY(EMPNO)
USING INDEX STORAGE(INITIAL 1M NEXT 1M PCTINCREASE 0)
TABLESPACE USERS;
 
--======================================================================================
--#. 22 PRIMARY KEY를 REFERENCE 하는 FOREIGN KEY 찾기
--======================================================================================
 
SELECT    C.NAME CONSTRAINT_NAME
FROM      DBA_OBJECTS A
         ,CDEF$ B
         ,CON$ C
WHERE     A.OBJECT_NAME = UPPER('&테이블명')
AND       A.OBJECT_ID = B.ROBJ#
AND       B.CON# = C.CON#;
 
--======================================================================================
--#. 23 동일한 자료 삭제 방법
--======================================================================================
DELETE
FROM   EMP E
WHERE  E.ROWID > ( SELECT MIN(X.ROWID)
 FROM   EMP X
WHERE  X.EMPNO = E.EMPNO );
 
--======================================================================================
--#. 24 1시간 이상 유휴 상태인 세션
--======================================================================================
 
SELECT    SID
         ,SERIAL#
         ,USERNAME
         ,TRUNC(LAST_CALL_ET / 3600, 2) || ' HR' LAST_CALL_ET
FROM      V$SESSION
WHERE     LAST_CALL_ET > 3600
AND       USERNAME IS NOT NULL;
 
--======================================================================================
--#. 25 Oracle Process의 정보
--======================================================================================
 
SELECT    S.STATUS "STATUS"
         ,S.SERIAL# "SERIAL#"
         ,S.TYPE "TYPE"
         ,S.USERNAME "DB USER"
         ,S.OSUSER "CLIENT USER"
         ,S.SERVER "SERVER"
         ,S.MACHINE "MACHINE"
         ,S.MODULE "MODULE"
         ,S.TERMINAL "TERMINAL"
         ,S.PROGRAM "PROGRAM"
         ,P.PROGRAM "O.S. PROGRAM"
         ,S.LOGON_TIME "CONNECT TIME"
         ,LOCKWAIT "LOCK WAIT"
         ,SI.PHYSICAL_READS "PHYSICAL READS"
         ,SI.BLOCK_GETS "BLOCK GETS"
         ,SI.CONSISTENT_GETS "CONSISTENT GETS"
         ,SI.BLOCK_CHANGES "BLOCK CHANGES"
         ,SI.CONSISTENT_CHANGES "CONSISTENT CHANGES"
         ,S.PROCESS "PROCESS"
         ,P.SPID
         ,P.PID
         ,S.SERIAL#
         ,SI.SID
         ,S.SQL_ADDRESS "ADDRESS"
         ,S.SQL_HASH_VALUE "SQL HASH"
         ,S.ACTION
FROM      V$SESSION S
         ,V$PROCESS P
         ,SYS.V_$SESS_IO SI
WHERE     S.PADDR = P.ADDR(+)
AND       SI.SID(+) = S.SID
AND       S.USERNAME IS NOT NULL
AND       NVL(S.OSUSER, 'X') <> 'SYSTEM'
AND       S.TYPE <> 'BACKGROUND'
ORDER BY  3;
 
--======================================================================================
--#. 26 중복인덱스 체크
--======================================================================================
 
SELECT    O1.NAME || '.' || N1.NAME REDUNDANT_INDEX, O2.NAME || '.' || N2.NAME SUFFICIENT_INDEX
FROM      SYS.ICOL$ IC1
         ,SYS.ICOL$ IC2
         ,SYS.IND$ I1
         ,SYS.OBJ$ N1
         ,SYS.OBJ$ N2
         ,SYS.USER$ O1
         ,SYS.USER$ O2
WHERE     IC1.POS# = 1
AND       IC2.BO# = IC1.BO#
AND       IC2.OBJ# != IC1.OBJ#
AND       IC2.POS# = 1
AND       IC2.INTCOL# = IC1.INTCOL#
AND       I1.OBJ# = IC1.OBJ#
AND       BITAND(I1.PROPERTY, 1) = 0
AND       (SELECT    MAX(POS#) * (MAX(POS#) + 1) / 2
           FROM      SYS.ICOL$
           WHERE     OBJ# = IC1.OBJ#) = (SELECT    SUM(XC1.POS#)
                                         FROM      SYS.ICOL$ XC1
                                                  ,SYS.ICOL$ XC2
                                         WHERE     XC1.OBJ# = IC1.OBJ#
                                         AND       XC2.OBJ# = IC2.OBJ#
                                         AND       XC1.POS# = XC2.POS#
                                         AND       XC1.INTCOL# = XC2.INTCOL#)
AND       N1.OBJ# = IC1.OBJ#
AND       N2.OBJ# = IC2.OBJ#
AND       O1.USER# = N1.OWNER#
AND       O2.USER# = N2.OWNER#;
 
--======================================================================================
--#. 27 공간의 90% 이상을 사용하고 있는 Tablespace
--======================================================================================
 
SELECT    X.TABLESPACE_NAME
         ,TOTAL_SIZE / 1024 / 1024 TOTAL_SIZE
         ,USED_SIZE / 1024 / 1024 USED_SIZE
         ,(ROUND(USED_SIZE / TOTAL_SIZE, 2)) * 100 USED_RATIO
FROM      (SELECT    TABLESPACE_NAME, SUM(BYTES) TOTAL_SIZE
           FROM      DBA_DATA_FILES
           GROUP BY  TABLESPACE_NAME) X
         ,(SELECT    TABLESPACE_NAME, SUM(BYTES) USED_SIZE
           FROM      DBA_EXTENTS
           GROUP BY  TABLESPACE_NAME) Y
WHERE     X.TABLESPACE_NAME = Y.TABLESPACE_NAME(+)
AND       Y.USED_SIZE > .9 * X.TOTAL_SIZE;
 
--======================================================================================
--#. 28 현재 Extension 횟수가 MaxExtents의 80% 이상인 경우
--======================================================================================
 
SELECT    TABLESPACE_NAME
         ,OWNER
         ,SEGMENT_NAME
         ,SEGMENT_TYPE
         ,EXTENTS
         ,MAX_EXTENTS
FROM      SYS.DBA_SEGMENTS S
WHERE     EXTENTS / MAX_EXTENTS > .8
AND       MAX_EXTENTS > 0
ORDER BY  TABLESPACE_NAME, OWNER, SEGMENT_NAME;
 
--======================================================================================
--#. 29 Active Session 중 Idle Time이 긴 작업
--======================================================================================
 
SELECT    VS.SID || ',' || VS.SERIAL# " SID"
         ,VP.SPID
         ,VS.MACHINE
         ,VS.PROGRAM
         ,VS.MODULE
         ,VS.STATUS
         ,TO_CHAR(VS.LOGON_TIME, 'MM/DD HH24:MI') LOGIN_TIME
         ,ROUND(VS.LAST_CALL_ET / 60) "IDLE"
FROM      V$SESSION VS
         ,V$PROCESS VP
WHERE     VS.STATUS = 'ACTIVE'
AND       VS.SID NOT IN (1, 2, 3, 4, 5, 6, 7)
AND       VS.PADDR = VP.ADDR
ORDER BY  8;
 
--======================================================================================
--#. 30 DBUser 별로 Session 정보를 조회
--======================================================================================
 
SELECT    S.USERNAME
         ,S.SID
         ,S.SERIAL#
         ,P.SPID
         ,S.OSUSER
         ,S.MACHINE
         ,S.PROGRAM
         ,TO_CHAR(S.LOGON_TIME, 'MM/DD HH24:MI') "LOGON_TIME"
         ,ROUND(S.LAST_CALL_ET / 60) "IDLE"
FROM      V$SESSION S
         ,V$PROCESS P
WHERE     S.PADDR = P.ADDR
AND       S.USERNAME LIKE UPPER('&DBUSER%')
ORDER BY  9;
 
--======================================================================================
--#. 31 사용자 session 중에서 2시간 이상 idle 상태가 지속되는 session을 kill
--======================================================================================
SET PAGESIZE 0
SPOOL KILLIDLE3.SQL
 
SELECT    DISTINCT '!KILL -9 ' || B.SPID, 'ALTER SYSTEM KILL SESSION ''' || A.SID || ',' || A.SERIAL# || ''' ;'
FROM      V$SESSION A
         ,V$PROCESS B
WHERE     A.PADDR IN (SELECT    S.PADDR
                      FROM      V$SESSION S
                      WHERE     STATUS = 'INACTIVE'
                      GROUP BY  S.PADDR
                      HAVING    MIN(ROUND(LAST_CALL_ET / 60)) > 120)
AND       A.PADDR = B.ADDR
AND       A.STATUS = 'INACTIVE';
 
SPOOL OFF
 
--======================================================================================
--#. 32 사용자별 오브젝트 수
--======================================================================================
 
SELECT    OWNER AS "OWNER"
         ,SUM(DECODE(OBJECT_TYPE, 'TABLE', 1, 0)) AS "TABLE"
         ,SUM(DECODE(OBJECT_TYPE, 'INDEX', 1, 0)) AS "INDEX"
         ,SUM(DECODE(OBJECT_TYPE, 'SYNONYM', 1, 0)) AS "SYNONYMS"
         ,SUM(DECODE(OBJECT_TYPE, 'SEQUENCE', 1, 0)) AS "SEQUENCES"
         ,SUM(DECODE(OBJECT_TYPE, 'VIEW', 1, 0)) AS "VIEWS"
         ,SUM(DECODE(OBJECT_TYPE, 'CLUSTER', 1, 0)) AS "CLUSTERS"
         ,SUM(DECODE(OBJECT_TYPE, 'DATABASE LINK', 1, 0)) AS "DBLINKS"
         ,SUM(DECODE(OBJECT_TYPE, 'PACKAGE', 1, 0)) AS "PACKAGES"
         ,SUM(DECODE(OBJECT_TYPE, 'PACKAGE BODY', 1, 0)) AS "PACKAGE_BODY"
         ,SUM(DECODE(OBJECT_TYPE, 'PROCEDURE', 1, 0)) AS "PROCEDURES"
         ,SUM(DECODE(OBJECT_TYPE, 'FUNCTION', 1, 0)) AS "FUNCTION"
FROM      DBA_OBJECTS
GROUP BY  OWNER;
 
--======================================================================================
--#. 33 Object별 테이블스페이스 및 데이터파일
--======================================================================================
 
SELECT    DISTINCT E.SEGMENT_NAME, E.TABLESPACE_NAME, F.FILE_NAME
FROM      DBA_EXTENTS E
         ,DBA_DATA_FILES F
WHERE     E.FILE_ID = F.FILE_ID
AND       E.SEGMENT_TYPE = 'TABLE'
AND       E.TABLESPACE_NAME NOT IN ('SYSTEM', 'TOOLS');
 
--======================================================================================
--#. 34 작업 중인 데이터베이스 트랜잭션 조회
--======================================================================================
 
SELECT    S.SID
         ,S.SERIAL#
         ,S.STATUS
         ,S.OSUSER
         ,S.USERNAME
         ,T.STATUS
         ,T.START_TIME
FROM      V$SESSION S
         ,V$TRANSACTION T
         ,DBA_ROLLBACK_SEGS R
WHERE     S.TADDR = T.ADDR
AND       T.XIDUSN = R.SEGMENT_ID;
 
--======================================================================================
--#. 35 열려 있는 커서 조회
--======================================================================================
 
SELECT    A.SID
         ,A.OSUSER
         ,COUNT(B.SID) AS "CURSOR"
         ,A.PROGRAM
         ,A.STATUS
FROM      V$SESSION A
         ,V$OPEN_CURSOR B
WHERE     A.SID = B.SID(+)
GROUP BY  A.SID, A.OSUSER, A.PROGRAM, A.STATUS;
 
--======================================================================================
--#. 36 잠금 발생 유형 조회
--======================================================================================
 
SELECT    A.SID
         ,DECODE(A.TYPE
                ,'MR', 'MEDIA RECOVERY'
                ,'RT', 'REDO THREAD'
                ,'UN', 'USER_NAME'
                ,'TX', 'TRANSACTION'
                ,'TM', 'DML'
                ,'UL', 'PL/SQL USER LOCK'
                ,'DX', 'DISTRIBUTED XACTION'
                ,'CF', 'CONTROL FILE'
                ,'IS', 'INSTANCE STATE'
                ,'FS', 'FILE SET'
                ,'IR', 'INSTANCE RECOVERY'
                ,'FS', 'FILE SET'
                ,'ST', 'DISK SPACE TRANSACTION'
                ,'TS', 'TEMP SEGMENT'
                ,'IV', 'LIBRARY CACHE INVAILDATION'
                ,'LS', 'LOG START OR SWITCH'
                ,'RW', 'ROW WAIT'
                ,'SQ', 'SEQUENCE NUMBER'
                ,'TE', 'EXTEND TABLE'
                ,'TT', 'TEMP TABLE'
                ,A.TYPE
                )
            AS "LOCK_TYPE"
         ,DECODE(A.LMODE
                ,0, 'NONE'
                ,1, 'NULL'
                ,2, 'ROW-S(SS)'
                ,3, 'ROW-X(SX)'
                ,4, 'SHARE'
                ,5, 'S/ROW-X(SSX)'
                ,6, 'EXCLUSIVE'
                ,TO_CHAR(A.LMODE)
                )
            AS "MODE_HELD"
         ,DECODE(A.REQUEST
                ,0, 'NONE'
                ,1, 'NULL'
                ,2, 'ROW-S(SS)'
                ,3, 'ROW-X(SX)'
                ,4, 'SHARE'
                ,5, 'S/ROW-X(SSX)'
                ,6, 'EXCLUSIVE'
                ,TO_CHAR(A.REQUEST)
                )
            AS "MODE_REQUESTED"
         ,TO_CHAR(A.ID1) AS "LOCK_ID1"
         ,TO_CHAR(A.ID2) AS "LOCK_ID2"
         ,DECODE(BLOCK,  0, 'NOT BLOCKING',  1, 'BLOCKING',  2, 'GLOBAL',  TO_CHAR(BLOCK)) AS "BLOCKING_OTHERS"
FROM      V$LOCK A
WHERE     (ID1, ID2) IN (SELECT    B.ID1, ID2
                         FROM      V$LOCK B
                         WHERE     B.ID1 = A.ID1);
 
--======================================================================================
--#. 37 테이블의 PK를 구성하는 컬럼 조회
--======================================================================================
 
SELECT    A.TABLE_NAME, B.CONSTRAINT_NAME, C.COLUMN_NAME
FROM      USER_TABLES A
         ,USER_CONSTRAINTS B
         ,USER_CONS_COLUMNS C
WHERE     A.TABLE_NAME = B.TABLE_NAME
AND       B.CONSTRAINT_NAME = C.CONSTRAINT_NAME
AND       B.CONSTRAINT_TYPE = 'P';
 
--======================================================================================
--#. 38 오브젝트에 접속되어 있는 프로그램 조회
--======================================================================================
 
SELECT    SUBSTR(B.OBJECT, 1, 15) AS OBJECT, SUBSTR(A.PROGRAM, 1, 15) AS PROGRAM, COUNT(*) AS CNT
FROM      V$SESSION A
         ,V$ACCESS B
WHERE     A.SID = B.SID
AND       B.OWNER NOT IN ('SYS')
AND       A.TYPE != 'BACKGROUND'
AND       B.OBJECT LIKE UPPER('&OBJECT_NAME') || '%'
GROUP BY  B.OBJECT, SUBSTR(A.PROGRAM, 1, 15);
 
--======================================================================================
--#. 39 잠금 상태 오브젝트 조회
--======================================================================================
 
SELECT    A.SESSION_ID
         ,B.SERIAL#
         ,A.OS_USER_NAME
         ,A.ORACLE_USERNAME
         ,C.OBJECT_NAME
         ,A.LOCKED_MODE
         ,A.XIDUSN
FROM      V$LOCKED_OBJECT A
         ,V$SESSION B
         ,DBA_OBJECTS C
WHERE     A.OBJECT_ID = C.OBJECT_ID
AND       A.SESSION_ID = B.SID;
 
--======================================================================================
--#. 40 잠금 SQL 구문 조회
--======================================================================================
 
SELECT    B.USERNAME AS USERNAME
         ,C.SID AS SID
         ,C.OWNER AS OBJECT_OWNER
         ,C.OBJECT AS OBJECT
         ,B.LOCKWAIT
         ,A.PIECE
         ,A.SQL_TEXT AS SQL
FROM      V$SQLTEXT A
         ,V$SESSION B
         ,V$ACCESS C
WHERE     A.ADDRESS = B.SQL_ADDRESS
AND       A.HASH_VALUE = B.SQL_HASH_VALUE
AND       B.SID = C.SID
AND       C.OWNER != 'SYS';
 
--======================================================================================
--#. 41 롤백 세그먼트 경합 조회
--======================================================================================
 
SELECT    NAME T0
         ,GETS T1
         ,WAITS T2
         ,TO_CHAR(TRUNC(WAITS / GETS * 100, 2), 099.99) || ' %' T3
         ,TO_CHAR(ROUND(RSSIZE / 1024)) T4
         ,SHRINKS T5
         ,EXTENDS T6
FROM      V$ROLLSTAT
         ,V$ROLLNAME
WHERE     V$ROLLSTAT.USN = V$ROLLNAME.USN;
 
--======================================================================================
--#. 42 CPU를 많이 사용하는 세션의 식별
--======================================================================================
 
SELECT    A.SID
         ,C.SERIAL#
         ,A.VALUE
         ,C.USERNAME
         ,C.STATUS
         ,C.PROGRAM
FROM      V$SESSTAT A
         ,V$STATNAME B
         ,V$SESSION C
WHERE     A.STATISTIC# = B.STATISTIC#
AND       A.SID = C.SID
AND       B.NAME = 'CPU used by this session'
AND       A.VALUE > 0
ORDER BY  A.VALUE DESC;
 
--======================================================================================
--#. 43 Tablespace별 Table, Index 개수
--======================================================================================
 
SELECT    OWNER
         ,TABLESPACE_NAME
         ,SUM(DECODE(SEGMENT_TYPE, 'TABLE', 1, 0))
         ,SUM(DECODE(SEGMENT_TYPE, 'INDEX', 1, 0))
FROM      DBA_SEGMENTS
WHERE     SEGMENT_TYPE IN ('TABLE', 'INDEX')
GROUP BY  OWNER, TABLESPACE_NAME;
 
--======================================================================================
--#. 44 Disk Read 가 많은 SQL문 찾기
--======================================================================================
 
SELECT    DISK_READS, SQL_TEXT
FROM      V$SQLAREA
WHERE     DISK_READS > 100
ORDER BY  DISK_READS DESC;
 
--======================================================================================
--#. 45 Rollback Segment를 사용하고 있는 SQL문 조회
--======================================================================================
 
SELECT    A.NAME
         ,B.XACTS
         ,C.SID
         ,C.SERIAL#
         ,C.USERNAME
         ,D.SQL_TEXT
FROM      V$ROLLNAME A
         ,V$ROLLSTAT B
         ,V$SESSION C
         ,V$SQLTEXT D
         ,V$TRANSACTION E
WHERE     A.USN = B.USN
AND       B.USN = E.XIDUSN
AND       C.TADDR = E.ADDR
AND       C.SQL_ADDRESS = D.ADDRESS
AND       C.SQL_HASH_VALUE = D.HASH_VALUE
ORDER BY  A.NAME, C.SID, D.PIECE;
 
--======================================================================================
--#. 46 Index가 없는 Table 조회
--======================================================================================
 
SELECT    OWNER, TABLE_NAME
FROM      (SELECT    OWNER, TABLE_NAME
           FROM      DBA_TABLES
           MINUS
           SELECT    TABLE_OWNER, TABLE_NAME
           FROM      DBA_INDEXES)
WHERE     OWNER NOT IN ('SYS', 'SYSTEM')
ORDER BY  OWNER, TABLE_NAME;
 
--======================================================================================
--#. 47 오래도록 수행되는 Full Table Scan를 모니터링
--======================================================================================
 
SELECT    SID
         ,SERIAL#
         ,OPNAME
         ,TO_CHAR(START_TIME, 'HH24:MI:SS') AS "START"
         ,(SOFAR / TOTALWORK) * 100 AS "PERCENT_COMPLETE"
FROM      V$SESSION_LONGOPS;
 
--======================================================================================
--#. 48 System 테이블스페이스에 비시스템 세그먼트 조회
--======================================================================================
 
SELECT    OWNER
         ,SEGMENT_NAME
         ,SEGMENT_TYPE
         ,TABLESPACE_NAME
FROM      DBA_SEGMENTS
WHERE     OWNER NOT IN ('SYS', 'SYSTEM')
AND       TABLESPACE_NAME = 'SYSTEM';
 
--======================================================================================
--#. 49 인덱스의 Delete Space 조회
--======================================================================================
 
SELECT    NAME
         ,LF_ROWS
         ,DEL_LF_ROWS
         ,(DEL_LF_ROWS / LF_ROWS) * 100 AS "DELETE SPACE %"
FROM      INDEX_STATS
WHERE     NAME = UPPER('&INDEX_NAME');
 
--Delete Space %  값이 20 % 가 넘으면, 그 인덱스는 다시 작성하는 것이 좋다.
 
--======================================================================================
--#. 50 Session별 사용 명령어
--======================================================================================
 
SELECT    SESS.SID
         ,SESS.SERIAL#
         ,SUBSTR(SESS.USERNAME, 1, 10) "USER NAME"
         ,SUBSTR(OSUSER, 1, 11) "OS USER"
         ,SUBSTR(SESS.MACHINE, 1, 15) "MACHINE NAME"
         ,STATUS
         ,UPPER(
            DECODE(NVL(COMMAND, 0)
                  ,0, '---'
                  ,1, 'CREATE TABLE'
                  ,2, 'INSERT -'
                  ,3, 'SELECT -'
                  ,4, 'CREATE CLUST'
                  ,5, 'ALTER CLUST'
                  ,6, 'UPDATE -'
                  ,7, 'DELETE -'
                  ,8, 'DROP -'
                  ,9, 'CREATE INDEX'
                  ,10, 'DROP INDEX'
                  ,11, 'ALTER INDEX'
                  ,12, 'DROP TABLE'
                  ,13, 'CREATE SEQ'
                  ,14, 'ALTER SEQ'
                  ,15, 'ALTER TABLE'
                  ,16, 'DROP SEQ'
                  ,17, 'GRANT'
                  ,18, 'REVOKE'
                  ,19, 'CREATE SYN'
                  ,20, 'DROP SYN'
                  ,21, 'CREATE VIEW'
                  ,22, 'DROP VIEW'
                  ,23, 'VALIDATE IX'
                  ,24, 'CREATE PROC'
                  ,25, 'ALTER PROC'
                  ,26, 'LOCK TABLE'
                  ,27, 'NO OPERATION'
                  ,28, 'RENAME'
                  ,29, 'COMMENT'
                  ,30, 'AUDIT'
                  ,31, 'NOAUDIT'
                  ,32, 'CREATE DBLINK'
                  ,33, 'DROP DB LINK'
                  ,34, 'CREATE DATABASE'
                  ,35, 'ALTER DATABASE'
                  ,36, 'CREATE RBS'
                  ,37, 'ALTER RBS'
                  ,38, 'DROP RBS'
                  ,39, 'CREATE TABLESPACE'
                  ,40, 'ALTER TABLESPACE'
                  ,41, 'DROP TABLESPACE'
                  ,42, 'ALTER SESSION'
                  ,43, 'ALTER USER'
                  ,44, 'COMMIT'
                  ,45, 'ROLLBACK'
                  ,47, 'PL/SQL EXEC'
                  ,48, 'SET TRANSACTION'
                  ,49, 'SWITCH LOG'
                  ,50, 'EXPLAIN'
                  ,51, 'CREATE USER'
                  ,52, 'CREATE ROLE'
                  ,53, 'DROP USER'
                  ,54, 'DROP ROLE'
                  ,55, 'SET ROLE'
                  ,56, 'CREATE SCHEMA'
                  ,58, 'ALTER TRACING'
                  ,59, 'CREATE TRIGGER'
                  ,61, 'DROP TRIGGER'
                  ,62, 'ANALYZE TABLE'
                  ,63, 'ANALYZE INDEX'
                  ,69, 'DROP PROCEDURE'
                  ,71, 'CREATE SNAP LOG'
                  ,72, 'ALTER SNAP LOG'
                  ,73, 'DROP SNAP LOG'
                  ,74, 'CREATE SNAPSHOT'
                  ,75, 'ALTER SNAPSHOT'
                  ,76, 'DROP SNAPSHOT'
                  ,85, 'TRUNCATE TABLE'
                  ,88, 'ALTER VIEW'
                  ,91, 'CREATE FUNCTION'
                  ,92, 'ALTER FUNCTION'
                  ,93, 'DROP FUNCTION'
                  ,94, 'CREATE PACKAGE'
                  ,95, 'ALTER PACKAGE'
                  ,96, 'DROP PACKAGE'
                  ,46, 'SAVEPOINT'
                  )
          )
            COMMAND
         ,SESS.PROCESS "C.PROC"
         ,PROC.SPID "S.PROC"
         ,TO_CHAR(SESS.LOGON_TIME, 'YYYY-MM-DD HH24:MI')
FROM      V$SESSION SESS
         ,V$SESSTAT STAT
         ,V$STATNAME NAME
         ,V$PROCESS PROC
WHERE     SESS.SID = STAT.SID
AND       STAT.STATISTIC# = NAME.STATISTIC#
AND       SESS.USERNAME IS NOT NULL
AND       NAME.NAME = 'RECURSIVE CALLS'
AND       SESS.PADDR = PROC.ADDR
ORDER BY  3, 1, 2;
 
--======================================================================================
--#. 51 딕셔너리/뷰 정보 조회
--======================================================================================
 
SELECT    A.TABLE_NAME, B.COLUMN_NAME
FROM      DICTIONARY A
         ,DICT_COLUMNS B
WHERE     A.TABLE_NAME = B.TABLE_NAME;
 
--======================================================================================
--#. 52 패키지 검색 1 - 특정 오라클 사용자 중에서 패키지 소스와 일치하는 텍스트를 조회
--======================================================================================
-- 오라클 사용자에서 사용하는 패키지를 보여는 방법
---- :IN_OWNER : 오라클 사용자
---- :IN_OBJECT_NAME : 패키지 이름
 
SELECT    OBJECT_NAME
FROM      DBA_OBJECTS
WHERE     OWNER = :IN_OWNER
AND       OBJECT_NAME LIKE '%' || :IN_OBJECT_NAME || '%'
AND       OBJECT_TYPE = 'PACKAGE';
 
 
-- 오라클 사용자의 패키지 중에서 텍스트 내용을 검색하여 패키지 정보를 추출
---- :IN_OWNER : 오라클 사용자
---- :IN_TEXT  : 패키지소 스에서 검색할 텍스트
 
SELECT    NAME -- 패키지 이름
              , LINE -- 라인 수
                    , TEXT -- 패키지 BODY에 수정된 내용
FROM      DBA_SOURCE
WHERE     OWNER = :IN_OWNER
AND       TEXT LIKE '%' || :IN_TEXT || '%';
 
 
--======================================================================================
--#. 53 특정 사용자의 패키지 내에서 주석처리가 되지 않은 항목을 조회
--======================================================================================
 
/*
    오라클 사용자가 사용하는 패키지의 BODY 소스를 검색하여
    주식이 없거나 패턴이 맞지 않는 항목을 조회 한다.
*/
 
SELECT    *
FROM      DBA_OBJECTS B
WHERE     B.OWNER = :IN_OWNER
AND       B.OBJECT_TYPE = 'PACKAGE BODY'
AND       B.STATUS <> 'INVALID' -- VALID 상태만 조회, 만약  INVALID 된다고 해도 패키지를 수행하는 순간 컴파일 됨.
AND       NOT EXISTS
            (SELECT    1
             FROM      DBA_SOURCE A
             WHERE     A.OWNER = B.OWNER
             AND       A.TYPE = B.OBJECT_TYPE
             AND       A.NAME = B.OBJECT_NAME
             AND       A.LINE <= 5
             AND       A.TEXT LIKE '%NAME%');
 
 
--======================================================================================
--#. 54 테이블의 익스텐트 정보 조회
--======================================================================================
 
/*
    오라클에서 스토리지 구조는 아래와 같다.
    테이블 스페이스 -> 세그먼트 -> 익스텐트 -> 블록 -> OS 범위 -> 데이터 파일 -> 운영체제 블록
     
    세그먼트의 이름,
    해당 세그먼트의 최대 익스텐트 개수,
    익스텐트 아이디
    해당 세그먼트의 최대 익스텐트 개수 - 최대 익스텐트 아이디
     
    딕셔너리 관리 테이블스페이스로 생성한 것으로 조회를 한다.
     
*/
 
SELECT    B.SEGMENT_NAME
         ,B.MAX_EXTENTS
         ,MAX(C.EXTENT_ID) AS EXTENT_ID
         ,B.MAX_EXTENTS - MAX(C.EXTENT_ID) AS DIFF
FROM      USER_TABLESPACES A
         ,USER_SEGMENTS B
         ,USER_EXTENTS C
WHERE     A.EXTENT_MANAGEMENT = 'DICTIONARY'
AND       B.TABLESPACE_NAME = A.TABLESPACE_NAME
AND       C.SEGMENT_NAME = B.SEGMENT_NAME
GROUP BY  B.SEGMENT_NAME, B.MAX_EXTENTS
HAVING    B.MAX_EXTENTS - MAX(C.EXTENT_ID) <= 50
ORDER BY  B.MAX_EXTENTS - MAX(C.EXTENT_ID);
 
 
--======================================================================================
--#. 55 특정 테이블의 스키마 구조 확인
--======================================================================================
 
/*
     보통 토드나 기타 오라클 클라이언트 툴을 이용해서 테이블 구조를 확인 해도 됩니다.
     하지만 수많은 테이블을 전체 보고 싶을 경우 아래 쿼리를 이용하면 한번에 확인이 가능합니다.
*/
 
 
--: 관리자용
SELECT    OWNER
         ,TABLE_NAME
         ,COLUMN_NAME
         ,PK
         ,COLUMN_NAME
         ,DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
         ,NULLABLE
         ,COMMENTS
FROM      (SELECT    A.OWNER
                    ,A.TABLE_NAME
                    ,A.COLUMN_ID
                    ,B.POSITION PK
                    ,A.COLUMN_NAME
                    ,A.DATA_TYPE
                    ,A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
                    ,A.DATA_LENGTH
                    ,A.DATA_PRECISION
                    ,A.DATA_SCALE
                    ,A.NULLABLE
                    ,A.COMMENTS
                    ,ROW_NUMBER() OVER (PARTITION BY A.OWNER, A.TABLE_NAME, A.COLUMN_ID 
                      ORDER BY A.COLUMN_ID, B.POSITION) RN
           FROM      (SELECT    COL.OWNER
                               ,COL.TABLE_NAME
                               ,COL.COLUMN_ID
                               ,COL.COLUMN_NAME
                               ,COL.DATA_TYPE
                               ,COL.DATA_LENGTH
                               ,COL.DATA_PRECISION
                               ,COL.DATA_SCALE
                               ,COL.NULLABLE
                               ,COM.COMMENTS
                      FROM      DBA_TAB_COLUMNS COL
                               ,DBA_COL_COMMENTS COM
                      WHERE     COL.COLUMN_NAME = COM.COLUMN_NAME
                      AND       COL.OWNER = COM.OWNER
                      AND       COL.TABLE_NAME = COM.TABLE_NAME
                      AND       COM.OWNER = :IN_OWNER
                      AND       COM.TABLE_NAME LIKE :IN_TABLE_NAME || '%') A
                    ,DBA_CONS_COLUMNS B
           WHERE     B.TABLE_NAME(+) = A.TABLE_NAME
           AND       B.COLUMN_NAME(+) = A.COLUMN_NAME) X
WHERE     X.RN = 1
ORDER BY  X.TABLE_NAME, X.COLUMN_ID;
 
 
 
--: 일반 사용자 용
 
SELECT    TABLE_NAME
         ,COLUMN_NAME
         ,PK
         ,COLUMN_NAME
         ,DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
         ,NULLABLE
         ,COMMENTS
FROM      (SELECT    A.TABLE_NAME
                    ,A.COLUMN_ID
                    ,B.POSITION PK
                    ,A.COLUMN_NAME
                    ,A.DATA_TYPE
                    ,A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
                    ,A.DATA_LENGTH
                    ,A.DATA_PRECISION
                    ,A.DATA_SCALE
                    ,A.NULLABLE
                    ,A.COMMENTS
                    ,ROW_NUMBER() OVER (PARTITION BY A.TABLE_NAME, A.COLUMN_ID 
                    ORDER BY A.COLUMN_ID, B.POSITION) RN
           FROM      (SELECT    COL.TABLE_NAME
                               ,COL.COLUMN_ID
                               ,COL.COLUMN_NAME
                               ,COL.DATA_TYPE
                               ,COL.DATA_LENGTH
                               ,COL.DATA_PRECISION
                               ,COL.DATA_SCALE
                               ,COL.NULLABLE
                               ,COM.COMMENTS
                      FROM      USER_TAB_COLUMNS COL
                               ,USER_COL_COMMENTS COM
                      WHERE     COL.COLUMN_NAME = COM.COLUMN_NAME
                      AND       COL.TABLE_NAME = COM.TABLE_NAME
                      AND       COM.TABLE_NAME LIKE :IN_TABLE_NAME || '%') A
                    ,USER_CONS_COLUMNS B
           WHERE     B.TABLE_NAME(+) = A.TABLE_NAME
           AND       B.COLUMN_NAME(+) = A.COLUMN_NAME) X
WHERE     X.RN = 1
ORDER BY  X.TABLE_NAME, X.COLUMN_ID;
 
 
--======================================================================================
--#. 56 특정 테이블의 인덱스 확인
--======================================================================================
 
/*
   인덱스를 확인 하고자 할때 사용하는 쿼리
*/
 
SELECT    C.TABLE_NAME
         ,C.INDEX_NAME
         ,C.COLUMN_NAME
         ,C.COLUMN_POSITION
         ,T.NUM_ROWS
FROM      ALL_IND_COLUMNS C
         ,(SELECT    TABLE_NAME, NUM_ROWS
           FROM      ALL_TABLES
           WHERE     OWNER = 'ESTDBA'
           AND       TABLE_NAME IN (SELECT    TABLE_NAME
                                    FROM      USER_TABLES
                                    WHERE     TABLE_NAME LIKE :IN_TABLE_NAME || '%')
           AND       NUM_ROWS > 0) T
WHERE     C.TABLE_NAME = T.TABLE_NAME
ORDER BY  T.NUM_ROWS DESC, C.TABLE_NAME, C.INDEX_NAME, C.COLUMN_POSITION;
 
--======================================================================================
--#. 57 다중 UPDATE 쿼리
--======================================================================================
 
/*
   BYPASS_UJVC 힌트를 이용하면 특정 뷰를 만들어서 컬럼 대 컬럼을 대입 할 수 있습니다.
    
   아래 쿼리는 메타정보관리용 유저로서 코멘트의 내용 중에서 정규표현식을 이용하여 관련 데이터를 조작 하는 방법 입니다.
*/
 
UPDATE /*+ BYPASS_UJVC */
      (   SELECT    X.*
                   ,CASE
                      WHEN UNIT_INSTR > 0 THEN SUBSTR(X.COLUMN_DESC, X.UNIT_INSTR + 3, 1)
                    END
                      B_UNIT
          FROM      (SELECT    A.SERVER
                              ,A.OWNER
                              ,A.TABLE_NAME
                              ,A.COLUMN_NAME
                              ,A.COLUMN_DESC
                              ,A.GRP_CD A_GRP_CD
                              ,A.UNIT A_UNIT
                              ,REGEXP_INSTR(COLUMN_DESC, '단위\:') UNIT_INSTR
                     FROM      DBA_MYCOL A
                     WHERE     A.SERVER = :IN_SERVER
                     AND       A.OWNER = :IN_OWNER
                     AND       A.TABLE_NAME = :IN_TABLE_NAME) X)
SET       A_UNIT = B_UNIT
          UPDATE_DT = SYSDATE;
 
 
 
--======================================================================================
--#. 58 상호 DB간에 컬럼 이름 비교
--======================================================================================
 
/*
   양쪽 DB에서 사용하는 테이블 중에서 컬럼 이름 다른 항목을 찾는다.
*/
SELECT    A.TABLE_NAME
         ,A.COLUMN_NAME
         ,A.COLUMN_ID
         ,A.DATA_TYPE || '(' || A.DATA_LENGTH || ')' DATA_TYPE
FROM      USER_TAB_COLUMNS@LINK_ESTDB A
WHERE     A.TABLE_NAME = :IN_TABLE_NAME
AND       NOT EXISTS
            (SELECT    'X'
             FROM      USER_TAB_COLUMNS B
             WHERE     B.TABLE_NAME = A.TABLE_NAME
             AND       B.COLUMN_NAME = A.COLUMN_NAME);
 
 
 
SELECT    A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID
FROM      USER_TAB_COLUMNS@LINK_ESTDB A
WHERE     A.TABLE_NAME = :IN_TABLE_NAME
MINUS
SELECT    A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID
FROM      USER_TAB_COLUMNS A
WHERE     A.TABLE_NAME = :IN_TABLE_NAME
--======================================================================================
--#. 59 해당 테이블의 세션을 제거하는 쿼리
--======================================================================================
/*
   특정 테이블이 락을 발생하고 있으면 세션을 찾아서 중단시킨다.
*/
SELECT 'ALTER SYSTEM KILL SESSION ''' || S.SID||','||S.SERIAL# ||''';'
FROM   V$LOCK L, DBA_OBJECTS O, V$SESSION S
WHERE  L.ID1  = O.OBJECT_ID
AND    S.SID = L.SID
AND    O.OWNER = 'ESTDBA'
AND    O.OBJECT_NAME = 'TMP_GSYM2'
 
--======================================================================================
--#. 60 CPU를 많이 사용하는 세션의 식별(SQL TEXT 조회)
--======================================================================================
SELECT    A.*
         ,(SELECT   SS.SQL_TEXT
           FROM     V$SQLAREA SS
           WHERE    SS.ADDRESS = A.SQL_ADDRESS
           AND      ROWNUM <= 1
          ) AS SQL_TEST
FROM      (
          SELECT    A.SID
                   ,C.SERIAL#
                   ,A.VALUE
                   ,C.USERNAME
                   ,C.STATUS
                   ,C.PROGRAM
                   ,C.SQL_ADDRESS
                   ,ROW_NUMBER() OVER (ORDER BY A.VALUE DESC) RN
          FROM      V$SESSTAT A
                   ,V$STATNAME B
                   ,V$SESSION C
          WHERE     A.STATISTIC# = B.STATISTIC#
          AND       A.SID = C.SID
          AND       B.NAME = 'CPU used by this session'
          AND       A.VALUE > 0
          AND       C.STATUS = 'ACTIVE'
          AND       C.USERNAME IS NOT NULL
          ) A
WHERE     A.RN <= 10;
 
 
--======================================================================================
--#. 61 Blocking Lock Session 확인
--======================================================================================
SELECT    B.BLOCKING_SESSION AS BLOCKING_SESSION_SID
         ,C.SID AS LOCK_SESSION_SID
         ,C.OWNER AS OBJECT_OWNER
         ,C.OBJECT AS OBJECT
         ,B.LOCKWAIT
         ,A.PIECE
         ,A.SQL_TEXT AS SQL
FROM      V$SQLTEXT A
         ,V$SESSION B
         ,V$ACCESS C
WHERE     A.ADDRESS = B.SQL_ADDRESS
AND       A.HASH_VALUE = B.SQL_HASH_VALUE
AND       B.SID = C.SID
AND       B.BLOCKING_SESSION IS NOT NULL
AND       C.OWNER NOT IN ('SYS', 'PUBLIC')
AND       C.OBJECT NOT IN ('TOAD_PLAN_TABLE')
ORDER BY  A.PIECE;
 
--======================================================================================
--#. 62 현재 세션에서 10초이상 걸리는 쿼리 조회 (SELECT절)
--======================================================================================
 
SELECT    ABS(SYSDATE - A.LAST_LOAD_TIME) * 24 * 60 * 60 AS SEC_TIEM, A.*
FROM      V$SQLAREA A
         ,V$SESSION B
WHERE     A.SQL_TEXT LIKE '%SELECT%'
AND       A.ADDRESS = B.SQL_ADDRESS
AND       B.STATUS = 'ACTIVE'
AND       A.ELAPSED_TIME >= 10 * 1000000 -- 실행계획에서 10초 이상 걸리는 쿼리를 조회(실제 걸리는 시간은 아님.)
AND       A.PARSING_SCHEMA_NAME NOT IN ('SYS', 'SYSTEM', 'SYSMAN')
AND       B.USERNAME IS NOT NULL;
 
--======================================================================================
--#. 63 현재 세션에서 PGA, UGA, CPU 사용량 세션별로 조회하는 쿼리
--======================================================================================
 
SELECT    B.USERNAME
         ,A.SID
         ,A.PGA_USAGE
         ,A.UGA_USAGE
         ,A.CPU_USAGE_SECONDS
         ,B.MACHINE
         ,B.PROGRAM
         ,B.MODULE
FROM      (SELECT    B.SID
                    ,MAX(DECODE(C.NAME, 'session pga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS PGA_USAGE
                    ,MAX(DECODE(C.NAME, 'session uga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS UGA_USAGE
                    ,MAX(DECODE(C.NAME, 'CPU used by this session', (B.VALUE / 100) || ' Sec', 0)) AS CPU_USAGE_SECONDS
           FROM      V$SESSTAT B
                    ,V$STATNAME C
           WHERE     B.STATISTIC# = C.STATISTIC#
           GROUP BY  B.SID) A
         ,V$SESSION B
WHERE     B.SID = A.SID
AND       B.STATUS = 'ACTIVE'
AND       B.USERNAME IS NOT NULL;