
删除:
delete 表名 where 列2 = '' and 列3 is null and 列4 is null
查询去除:
select * from 表名 where 列2 = '' and 列3 is null and 列4 is null
用delete。类似以下:
delete from 表名 where 字段名1=“” and 字段名2=“”
具体按照字段设置和功能需求。
欢迎分享,转载请注明来源:内存溢出

删除:
delete 表名 where 列2 = '' and 列3 is null and 列4 is null
查询去除:
select * from 表名 where 列2 = '' and 列3 is null and 列4 is null
用delete。类似以下:
delete from 表名 where 字段名1=“” and 字段名2=“”
具体按照字段设置和功能需求。
欢迎分享,转载请注明来源:内存溢出
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