Oracle数据库分区技术之“间隔分区”详解及操作过程 |
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SQL> select * from audit_trail; TS DATA ----------------------------------- ----------- 22-FEB-10 12.00.00.000000 AM lss 27-MAR-10 12.00.00.000000 AM xysoul 12-MAY-10 12.00.00.000000 AM lss 07-JUL-10 12.00.00.000000 AM lss SQL> rollback; Rollback complete. SQL> select * from audit_trail; no rows selected SQL> col INVERTAL for a40 SQL> col HIGH_VALUE for a35 SQL> set lines 999 SQL> col tablespace_name for a20 SQL> col PARTITION_NAME for a15 SQL> select a.partition_name,a.tablespace_name,a.high_value, decode(a.interval,'YES',b.interval) invertal from user_tab_partitions a,user_part_tables b where a.table_name='AUDIT_TRAIL' and a.table_name=b.table_name order by a.partition_position; PARTITION_NAME TABLESPACE_NAME HIGH_VALUE INVERTAL --------------- -------------------- ----------------------------------- ---------------------------------------- P0 USERS TIMESTAMP' 2010-01-01 00:00:00' SYS_P64 USERS TIMESTAMP' 2010-03-01 00:00:00' NUMTOYMINTERVAL(1,'MONTH') SYS_P61 TABLESPACEA TIMESTAMP' 2010-04-01 00:00:00' NUMTOYMINTERVAL(1,'MONTH') SYS_P63 TABLESPACEA TIMESTAMP' 2010-06-01 00:00:00' NUMTOYMINTERVAL(1,'MONTH') SYS_P62 TABLESPACEA TIMESTAMP' 2010-08-01 00:00:00' NUMTOYMINTERVAL(1,'MONTH') |
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