【发布时间】:2021-10-21 06:15:45
【问题描述】:
给定下表FOO;
| Org | Status |
| X | CLOSED |
| X | OPEN |
| Y | OPEN |
| Y | CLOSED |
如何选择所有记录 除了 org = Y and status = CLOSED
所以结果集看起来像:
| Org | Status |
| X | CLOSED |
| X | OPEN |
| Y | OPEN |
【问题讨论】:
-
哪里没有(org = Y 和 status = CLOSED)
-
or, where org y or status closed
-
这会变得更加复杂,以防 Org 或 Status 可以为空。
标签: sql postgresql