ltrim
Description
Syntax
VARCHAR ltrim(VARCHAR str[, VARCHAR rhs])
When the 'rhs' parameter is not present, remove the continuous spaces that appear from the beginning of the 'str' parameter. Otherwise, remove 'rhs'.
example
mysql> SELECT ltrim(' ab d');
+------------------+
| ltrim(' ab d') |
+------------------+
| ab d |
+------------------+
mysql> SELECT ltrim('ababccaab','ab') str;
+-------+
| str |
+-------+
| ccaab |
+-------+keywords
LTRIM