随笔分类 -  mysql

expression
摘要：expr: expr OR expr | expr || expr | expr XOR expr | expr AND expr | expr && expr | NOT expr | ! expr | boolean_primary IS [NOT] {TRUE | FALSE | UNKNOW 阅读全文
posted @ 2016-05-14 13:32 beierer 阅读(152) 评论(0) 推荐(0)