병렬쿼리 테스트

/****************************************************************************

* TABLE DATA MOVE --약 3분 14초

TRUNCATE TABLE SCOTT.TB_ABC_CE;

PURGE DBA_RECYCLEBIN;

SELECT * FROM SCOTT.TB_ABC_CE;

/**************************************************************

log_buffer=33554432 db_cache_size=30G

ALTER SESSION ENABLE PARALLEL DML; ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT=64;

ALTER TABLE SCOTT.TB_ABC_CE NOLOGGING PARALLEL 32;

INSERT INTO /*+ APPEND_VALUES */ SCOTT.TB_ABC_CE B SELECT /*+FULL(A) PARALLEL(A,32) */ *

 FROM SCOTT.TB_ABC A;

COMMIT;

ALTER TABLE SCOTT.TB_ABC_CE LOGGING NOPARALLEL;

/****************************************************************************

* INDEX 생성을 위한 스크립트는 동시 각각 4개 세션으로 수행
* IX_IN_ABC_CE_01 INDEX --약 22분

ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT=64;

CREATE INDEX GSSMADM.IX_IN_ABC_CE_01 ON SCOTT.TB_ABC_CE

      (SITE_CD, STKTAKE_NO, STKTAKE_SBJ_YN)

NOLOGGING TABLESPACE TS_MIG UNUSABLE PARALLEL 4;

ALTER INDEX GSSMADM.IX_IN_ABC_CE_01 REBUILD NOLOGGING PARALLEL 4;

/****************************************************************************

* IX_IN_ABC_CE_02 INDEX

ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT=64;

CREATE INDEX GSSMADM.IX_IN_ABC_CE_02 ON SCOTT.TB_ABC_CE

      (STKTAKE_NO, STKTAKE_SBJ_YN, SITE_CD)

NOLOGGING TABLESPACE TS_MIG UNUSABLE PARALLEL 4;

ALTER INDEX GSSMADM.IX_IN_ABC_CE_02 REBUILD NOLOGGING PARALLEL 4;

ALTER INDEX GSSMADM.IX_IN_ABC_CE_02 LOGGING NOPARALLEL;

/****************************************************************************

* IX_IN_ABC_CE_03 INDEX

ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT=64;

CREATE INDEX GSSMADM.IX_IN_ABC_CE_03 ON SCOTT.TB_ABC_CE

      (SITE_CD, STKTAKE_NO, STKTAKE_YN, DPT_CD)

NOLOGGING TABLESPACE TS_MIG UNUSABLE PARALLEL 4;

ALTER INDEX GSSMADM.IX_IN_ABC_CE_03 REBUILD NOLOGGING PARALLEL 4;

ALTER INDEX GSSMADM.IX_IN_ABC_CE_03 LOGGING NOPARALLEL;

/****************************************************************************

* PK_IN_ABC_CE INDEX

ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT=64;

CREATE INDEX GSSMADM.PK_IN_ABC_CE ON SCOTT.TB_ABC_CE

      (STKTAKE_NO, SITE_CD, ITEM_CD, STK_POSIT_SP_CD, REG_SEQNO)

NOLOGGING TABLESPACE TS_MIG UNUSABLE PARALLEL 8;

ALTER INDEX GSSMADM.PK_IN_ABC_CE REBUILD NOLOGGING PARALLEL 8;

ALTER INDEX GSSMADM.PK_IN_ABC_CE LOGGING NOPARALLEL;