mysql ltrim() 函数

 

mysql> select "  dedede";
+----------+
| dedede   |
+----------+
|   dedede |
+----------+
1 row in set (0.00 sec)



mysql> select ltrim("  dedede");
+-------------------+
| ltrim("  dedede") |
+-------------------+
| dedede            |
+-------------------+
1 row in set (0.00 sec)