哈,没看清,你的也不对,try this

回答: 试试这个SQL大师2004-12-15 19:23:06

delete from occurrence
where not exists (
select *
from occurrence,page
where occurrence.page_id =page.page_id)

所有跟帖: 

回复:哈,没看清,你的也不对,try this -bbllot- 给 bbllot 发送悄悄话 (52 bytes) () 12/15/2004 postreply 19:58:51

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