GROUP BY 子句GROUPING SETS、CUBE、ROLLUP
GROUPING 是否聚合,返回值0,1
Sql Server分区表
1、创建分区函数点击(此处)折叠或打开CREATE PARTITION FUNCTION FnP(DATE) --分区列类型AS RANGE RIGHT --LEFT OR RIGHT,区分边界值属于左边还是右边FOR VALUES('20100101','20150101','20200101')2...
CROSS APPLY 和 OUTER APPLY
点击(此处)折叠或打开WITH T AS( SELECT 1 ID, '张三' NAME UNION ALL SELECT 2, '李四' UNION ALL SELECT 3, '王五'),T2 AS...