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总结数据组我有一个包含数据库:SQL命令按日期
+----+---------------------+-------------+-----------------+
| id | date | pay| usr_type |
+----+---------------------+-------------+-----------------+
| 1 | 2016-10-17 | 500| boss|
| 2 | 2016-10-17 | 200| boss|
| 3 | 2016-10-24 | 300| user|
| 4 | 2016-10-24 | 100| user|
+----+---------------------+-------------+-----------------+
我想要的结果是这样的:
+---------------------+-------------+-----------------+
| date | user| boss|
+----+---------------------+--------+-----------------+
| 2016-10-17 | 0| 700|
| 2016-10-24 | 400| 0|
+----+---------------------+-------------+------------+
我可以在WHEN子句中加入两个条件吗? – windc
@windc当然,>>当usr_type ='user'和usr_active = 1 then ... <<例如 –
谢谢!这是工作!! – windc