Store_Information表格
| store_name | Sales | Date |
| Los Angeles | $1500 | Jan-05-1999 |
| San Diego | $250 | Jan-07-1999 |
| Los Angeles | $300 | Jan-08-1999 |
| Boston | $700 | Jan-08-1999 |
我们就打入，
SELECT DISTINCT store_name FROM Store_Information
结果:
| store_name |
| Los Angeles |
| San Diego |
| Boston |
扫一扫
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
