Oracle 分区索引
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-- Create tablecreate table TLCB_MON_LINUX( sdate DATE, ip VARCHAR2(20), processcpu CLOB, processmem CLOB, port CLOB, countprocess VARCHAR2(100), countport VARCHAR2(100))partition by range (SDATE)( partition P20170524 values less than (TO_DATE(' 2017-05-25 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) tablespace USERS pctfree 10 initrans 1 maxtrans 255,发我和小小 ,-- Create tablecreate table ESB2_TRANS_LOG( esbflowno VARCHAR2(100) not null, flowstepid VARCHAR2(3) not null, locationid VARCHAR2(20) not null, channelid VARCHAR2(40), serviceid VARCHAR2(40), respstatus CHAR(1), respcode VARCHAR2(30), respmsg VARCHAR2(512), operstamp TIMESTAMP(3) default systimestamp not null, logicsystem VARCHAR2(40), realsystem VARCHAR2(40), trans_date DATE default sysdate not null, loop VARCHAR2(20))partition by range (TRANS_DATE)( partition ESB2_TRANS_LOG_170801 values less than (TO_DATE(' 2017-08-02 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) )create index IDX_ESB2_TRANS_LOG on ESB2_TRANS_LOG (ESBFLOWNO, FLOWSTEPID);select owner,index_name,table_name,PARTITIONED from dba_indexes where table_name=upper('esb2_trans_log');SQL> OWNER INDEX_NAME TABLE_NAME PAR------------------------------ -------------------- ------------------------------ ---TLCBUSER IDX_ESB2_TRANS_LOG ESB2_TRANS_LOG NOSQL> create index IDX_ESB2_TRANS_LOG on ESB2_TRANS_LOG (ESBFLOWNO, FLOWSTEPID) local;Index created.SQL> select owner,index_name,table_name,PARTITIONED from dba_indexes where table_name=upper('esb2_trans_log');OWNER INDEX_NAME TABLE_NAME PAR------------------------------ -------------------- ------------------------------ ---TLCBUSER IDX_ESB2_TRANS_LOG ESB2_TRANS_LOG YESSQL> select object_name,subobject_name,object_id,data_object_id,object_type from user_objects where object_name='IDX_ESB2_TRANS_LOG';OBJECT_NAME SUBOBJECT_NAME OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE------------------------------ ------------------------------ ---------- -------------- -------------------IDX_ESB2_TRANS_LOG 110263INDEXIDX_ESB2_TRANS_LOG ESB2_TRANS_LOG_170801 110264 110264 INDEX PARTITION添加新的分区:alter table ESB2_TRANS_LOG add partition ESB2_TRANS_LOG_170802 values less than (TO_DATE(' 2017-08-03 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))SQL> col object_name format a30SQL> select object_name,subobject_name,object_id,data_object_id,object_type from user_objects where object_name='IDX_ESB2_TRANS_LOG';OBJECT_NAME SUBOBJECT_NAME OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE------------------------------ ------------------------------ ---------- -------------- -------------------IDX_ESB2_TRANS_LOG 110263INDEXIDX_ESB2_TRANS_LOG ESB2_TRANS_LOG_170801 110264 110264 INDEX PARTITIONIDX_ESB2_TRANS_LOG ESB2_TRANS_LOG_170802 110266 110266 INDEX PARTITION添加主键:SQL> alter table ESB2_TRANS_LOG add primary key (esbflowno) using index local;alter table ESB2_TRANS_LOG add primary key (esbflowno) using index local*ERROR at line 1:ORA-14039: 分区列必须构成 UNIQUE 索引的关键字列子集Oracle 不支持在分区表上创建主键时不包含分区列不分区就可以:SQL> alter table ESB2_TRANS_LOG add primary key (esbflowno);Table altered.
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