我有两张桌子
表格1
+-------+-------+
| NAME | PRICE |
+-------+-------+
| ITEM1 | 100 |
+-------+-------+
| ITEM2 | 200 |
+-------+-------+
| ITEM3 | 300 |
+-------+-------+
table2重复 ITEM1 和 ITEM2
+-------+--------+---------+
| NAME | SUFFIX | CODE |
+-------+--------+---------+
| ITEM1 | 1 | ITEM1_1 |
+-------+--------+---------+
| ITEM1 | 2 | ITEM1_2 |
+-------+--------+---------+
| ITEM2 | 1 | ITEM2_1 |
+-------+--------+---------+
我怎样才能用 mySQL 做这个结果?
+-------+-------+----------+
| NAME | PRICE | NAME2 |
+-------+-------+----------+
| ITEM1 | 100 | ITEM1 |
+-------+-------+----------+
| ITEM2 | 200 | ITEM2 |
+-------+-------+----------+
| ITEM3 | 300 | NULL |
+-------+-------+----------+
我想从 table1 中获取不在table2 中的元素。在这种情况下,我想要获取的元素是 ITEM3。我可以用 LEFT JOIN 做到这一点吗?