go if object_id('[tbl]') is not null drop table [tbl] go create table [tbl]( [Date] datetime, [Result] varchar(2) ) go insert [tbl] select '2011-01-01','胜' union all select '2011-01-02','胜' union all select '2011-01-03','胜' union all select '2011-01-03','负' union all select '2011-01-03','负' union all select '2011-01-04','胜' union all select '2011-01-04','胜' union all select '2011-01-04','胜' select * from [tbl] /* * Date Result 2011-01-01 00:00:00.000 胜 2011-01-02 00:00:00.000 胜 2011-01-03 00:00:00.000 胜 2011-01-03 00:00:00.000 负 2011-01-03 00:00:00.000 负 2011-01-04 00:00:00.000 胜 2011-01-04 00:00:00.000 胜 2011-01-04 00:00:00.000 胜 */ select CONVERT(VARCHAR(10) , DATE, 120) AS 'DATE', sum(case when result='胜' then 1 else 0 end) as '胜', sum(case when result='负' then 1 else 0 end) as '负' from tbl group by CONVERT(VARCHAR(10) , DATE, 120) /* DATE 胜 负 2011-01-01 1 0 2011-01-02 1 0 2011-01-03 1 2 2011-01-04 3 0 */
SQLSERVER 分组后统计
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