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create table tmp
(
column1 CHAR(9) ,
column2 VARCHAR2(10) ,
...
...
) PCTFREE 10 PCTUSED 80 INITRANS 60
storage(initial 8m next 8m minextents 1 maxextents unlimited pctincrease 0)
PARTITION BY HASH(column1)
(
PARTITION tmp_001 TABLESPACE data_d102,
PARTITION tmp_002 TABLESPACE data_d103,
PARTITION tmp_003 TABLESPACE data_d104,
PARTITION tmp_004 TABLESPACE data_d105,
PARTITION tmp_005 TABLESPACE data_d106,
PARTITION tmp_006 TABLESPACE data_d102,
PARTITION tmp_007 TABLESPACE data_d103,
PARTITION tmp_008 TABLESPACE data_d104,
PARTITION tmp_009 TABLESPACE data_d105,
PARTITION tmp_010 TABLESPACE data_d106
);
分区表具体是怎么回事?有什么用途?不明白啊,恳请那位大侠帮忙解答一下,或给个相关资料看看,谢谢啦。。。。。 |
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