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用两个单引号
[PHP]
mysql> create table aa(name varchar(10));
Query OK, 0 rows affected (0.05 sec)
mysql> insert into aa values(\'\'\'\');
Query OK, 1 row affected (0.02 sec)
mysql> select * from aa;
+------+
| name |
+------+
| \' |
+------+
1 row in set (0.00 sec)
mysql> desc aa;
+-------+-------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+-------+
| name | varchar(10) | YES | | NULL | |
+-------+-------------+------+-----+---------+-------+
1 row in set (0.00 sec)
..
[/PHP] |
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