摘要: select *,if(sva=1,"男","女") as ssva from taname where sva<>"" 12.2. 控制流程函数CASE value WHEN [compare-value] THEN result [WHEN [compare-value] THEN result 阅读全文
posted @ 2016-11-08 18:53 Hotsum 阅读(99359) 评论(0) 推荐(1) 编辑