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sql语句 大量占用内存的查询解决办法

Jun 07, 2016 pm 05:48 PM

sql语句涉及到大量占用内存的查询(如排序和哈希操作),内存不够,需要排队等待资源造成的,这是很多开发者碰到的问题,今天提供一些处理方法,希望对你有用。

解决办法:

    A、优化语句,创建/使用合适的索引;

    B、解决第一个问题的方法,更新要查询表的索引分发统计,保证估计时间的正确性,UPDATE  STATISTICS 表名;

    C、增加内存。

    如果想手动设置查询超时,可以使用以下语句:

 代码如下 复制代码
sp_configure 'show advanced options', 1
GO
RECONFIGURE
GO
sp_configure 'query wait', 2147483647
GO
RECONFIGURE
GO
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