摘要:
1。删除重复记录delete from table1 where [id] not in(select min([id]) from table1 group by field1,field2) 阅读全文
posted @ 2006-03-20 23:19 laifangsong 阅读(1171) 评论(2) 推荐(0)
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摘要:
1。删除重复记录delete from table1 where [id] not in(select min([id]) from table1 group by field1,field2) 阅读全文
posted @ 2006-03-20 23:19 laifangsong 阅读(1171) 评论(2) 推荐(0)
摘要:
之前写了一篇2级联动的,将其修改,就可以得到3级联动菜单。BigClass 表结构: 测试数据: SmallClass1 表结构: 测试数据: SmallClass2 表结构: 测... 阅读全文
posted @ 2006-03-20 21:39 laifangsong 阅读(1804) 评论(6) 推荐(0) |
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