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【 在 ylh1969 的大作中提到: 】
: 评价很高了，我确实也压榨不出什么油水了。
: 在另一个帖子里171楼有批量处理的例子，很有意思的问题，如何在1000个pks主键里找到存在或不存在的数据。
: 一般要用where (col1,col2,,) in  (value,,,,,)查找，语句巨长。
: ...................
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修改:ylh1969 FROM 221.221.54.*
FROM 221.221.54.*