sqlserver 行转列


参考地址:
http://www.cnblogs.com/gaizai/p/3753296.html
第一种

SELECT title,
SUM(CASE typeid WHEN '1' THEN gjdate ELSE 0 END) AS '调休',
SUM(CASE typeid WHEN '2' THEN gjdate ELSE 0 END) AS '请假',
SUM(CASE typeid WHEN '3' THEN gjdate ELSE 0 END) AS '加班'
FROM lfil_tb
GROUP BY title


第二种



DECLARE @sql_str NVARCHAR(MAX) DECLARE @sql_col NVARCHAR(MAX) DECLARE @tableName SYSNAME
--表名 DECLARE @groupColumn SYSNAME --分组字段(title name 什么玩意的) DECLARE @row2column SYSNAME --行转列的字段 DECLARE @row2columnValue SYSNAME --行变列值的字段 SET @tableName = 'lfil_tb' SET @groupColumn = 'title' SET @row2column = 'typeid' SET @row2columnValue = 'gjdate' --从行数据中获取可能存在的列 SET @sql_str = N' SELECT @sql_col_out = ISNULL(@sql_col_out + '','','''') + QUOTENAME(['+@row2column+']) FROM ['+@tableName+'] GROUP BY ['+@row2column+']' --PRINT @sql_str EXEC sp_executesql @sql_str,N'@sql_col_out NVARCHAR(MAX) OUTPUT',@sql_col_out=@sql_col OUTPUT --PRINT @sql_col SET @sql_str = N' SELECT * FROM ( SELECT ['+@groupColumn+'],['+@row2column+'],['+@row2columnValue+'] FROM ['+@tableName+']) p PIVOT (SUM(['+@row2columnValue+']) FOR ['+@row2column+'] IN ( '+ @sql_col +') ) AS pvt ORDER BY pvt.['+@groupColumn+']' --PRINT (@sql_str) EXEC (@sql_str)





 

posted @ 2015-03-13 14:06  爱坐枫林晚  阅读(240)  评论(0编辑  收藏  举报