MySQL 字符串函数

mysql> SELECT SOUNDEX('javatpoint');
+-----------------------+
| SOUNDEX('javatpoint') |
+-----------------------+
| W6262                 | 
+-----------------------+
1 row in set (0.00 sec)

mysql> SELECT ORD('mysql'); 
+-------------------+
| ORD('mysql') |
+-------------------+
|               109 | 
+-------------------+
1 row in set (0.00 sec)

mysql> SELECT REPEAT('*+*',15); 
+-----------------------------------------------+
| REPEAT('*+*',15)                              |
+-----------------------------------------------+
| *+**+**+**+**+**+**+**+**+**+**+**+**+**+**+* | 
+-----------------------------------------------+
1 row in set (0.03 sec)