1.select flag = case flag when 0 then '有效' when 9 then '删除' else '其他' end from Article2.select case flag when 0 then '有效' when 9 then '删除' else '其他' end as flag from Article1.select flag = case flag when 0 then '有效' when 9 then '删除' else '其他' end from Article2.select case flag when 0 then '有效' when 9 then '删除' else '其他' end as flag from Article
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