09 2017 档案

MySQL数据库 Too many connections
摘要：出现这种错误明显就是 mysql_connect 之后忘记 mysql_close；当大量的connect之后，就会出现Too many connections的错误，mysql默认的连接为100个，而什么情况下会出现这种错误呢？正常的mysql_connect 之后调用 mysql_close() 阅读全文
posted @ 2017-09-11 09:05 Angelasp 阅读(487) 评论(0) 推荐(0) 编辑
Fatal error encountered during command execution
摘要：MySQL + .net + EF 开发环境，调用一处sql语句报错: Fatal error encountered during command execution[sql] view plain copy print?SELECT @r AS cateid,(SELECT @r := b.Pa 阅读全文
posted @ 2017-09-11 09:00 Angelasp 阅读(1001) 评论(0) 推荐(0) 编辑

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