We need to know the syntax of MySQL string connection function repeat (). The following describes the knowledge of MySQL string connection function for your reference.
MySQL string connection function-repeat () function
This function is used to copy a string. The following 'AB' indicates the string to be copied, and 2 indicates the number of copies.
Mysql> select repeat ('AB', 2 );
+ ---------------- +
| Repeat ('AB', 2) |
+ ---------------- +
| Abab |
+ ---------------- +
1 row in set (0.00 sec)
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Mysql> select repeat ('A', 2 );
+ --------------- +
| Repeat ('A', 2) |
+ --------------- +
| Aa |
+ --------------- +
1 row in set (0.00 sec)
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