摘要：
updatetest1asetname=(selectnamefromtest2bwherea.no=b.no and rownum = 1)where exists(select /*+ push_subq*/ 1fromtest2bwherea.no=b.no and rownum = 1); select * from dba_tab_col_statistics where table_name='BUSINESSBASICINFO'select count(0) from BusinessBasicInfo,CorporationMainTable; begin db 阅读全文
posted @ 2011-05-26 08:12
小さいです哥
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