SQL AND关键字,可以查询到两个或两个以上条件同时为TRUE的记录。
以http://www.cnblogs.com/insus/articles/1968148.html为数据源,做演示:

View Code SELECT [RId],[DT],[Hits] FROM [dbo].[RecordHits]
WHERE [RId] = 'R2' AND [DT] = '2011-01-25'
执行结果:

2018-08-14 22:57:24
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SQL AND关键字,可以查询到两个或两个以上条件同时为TRUE的记录。
以http://www.cnblogs.com/insus/articles/1968148.html为数据源,做演示:

View Code SELECT [RId],[DT],[Hits] FROM [dbo].[RecordHits]
WHERE [RId] = 'R2' AND [DT] = '2011-01-25'
执行结果:

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