标签：less created oss val rollup should cross cti repo
Generating Reports by Grouping Related Data使用分组生成报告you should be able to use the:
1、ROLLUP operation to produce subtotal values
2、CUBE operation to produce cross-tabulation values
3、GROUPING function to identify the row values created by ROLLUP or CUBE
4、GROUPING SETS to produce a single result set
标签：less created oss val rollup should cross cti repo
原文地址：http://blog.51cto.com/3938853/2159858
