SQL不同的结果中选择行:我有一个这样的表:具有相同的ID,但在另一列
+------+------+
|ID |Result|
+------+------+
|1 |A |
+------+------+
|2 |A |
+------+------+
|3 |A |
+------+------+
|1 |B |
+------+------+
|2 |B |
+------+------+
输出应该是这样的:
输出:
+------+-------+-------+
|ID |Result1|Result2|
+------+-------+-------+
|1 |A |B |
+------+-------+-------+
|2 |A |B |
+------+-------+-------+
|3 |A | |
+------+-------+-------+
我怎样才能做到这一点?
请重新格式化内容。这是不可读的。 – DanielO