SQL ROLLUPMysql roll upSQL CUBESQL Server ROLLUPMssql GROUPINGOracle ROLLUPSQL ROLLUP 用法SQL ROLLUP CUBEWith CUBEgroup by rollup用法SQL 中ROLLUP、CUBE的用法和区别_西秋海棠-CSDN博客_ ...
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SQL中ROLLUP、CUBE的用法和区别
2016-10-1916:39:43
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SQL中ROLLUP用法
ROLLUP运算符生成的结果集类似于CUBE运算符生成的结果集。
下面是CUBE和ROLLUP之间的具体区别：
CUBE生成的结果集显示了所选列中值的所有组合的聚合。
ROLLUP生成的结果集显示了所选列中值的某一层次结构的聚合。
ROLLUP优点：
（１）ROLLUP返回单个结果集，而COMPUTE
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