HAVING 子句
您需要添加HAVING子句，才能使WHERE语句和合计函数一起运用。
语法
SELECT [ ALL | DISTINCT ]{ * | projectItem [, projectItem ]* }FROM tableExpression[ WHERE booleanExpression ][ GROUP BY { groupItem [, groupItem ]* } ][ HAVING booleanExpression ];
示例
测试数据
| Customer | OrderPrice |
|---|---|
| Bush | 1000 |
| Carter | 1600 |
| Bush | 700 |
| Bush | 300 |
| Adams | 2000 |
| Carter | 100 |
测试语句
SELECT Customer,SUM(OrderPrice) FROM XXXGROUP BY CustomerHAVING SUM(OrderPrice)<2000;
测试结果
| Customer | SUM(OrderPrice) |
|---|---|
| Carter | 1700 |
本文转自实时计算——
HAVING语句
