mysql在mysql中合并两个表

我有两张桌子。我想合并它们，但要从表2中删除以表1中列出的id开头的条目

id | name
---------
1  | test
2  | test2
3  | test3

id  | name
----------
122 | tester
222 | tester2
555 | testr3

我想要：

id | name
---------
1  | test
2  | test2
3  | test3
555 | testr3

---

这里需要有两个语句

首先，从

表2中删除记录

DELETE  
FROM    table2 a
WHERE   EXISTS
        (
            SELECT  1
            FROM    table2 b
            WHERE   b.id LIKE CONCAT(a.ID, '%')
        )

INSERT INTO table2(id, name)
SELECT  id, name
FROM    table1

其次，将所有记录从
table1
复制到
table2

DELETE  
FROM    table2 a
WHERE   EXISTS
        (
            SELECT  1
            FROM    table2 b
            WHERE   b.id LIKE CONCAT(a.ID, '%')
        )

INSERT INTO table2(id, name)
SELECT  id, name
FROM    table1