REPLACE() FUNCTION The MySQL REPLACE function is used to replace all occurrences of a substring in a string. The various versions of MySQL support the REPLACE function, namely, MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0 and MySQL 3.23.
Syntax:
REPLACE( string, from_substring, to_substring )
Parameters: string: It is used to specify the string to check. from_substring: It is used to specify the substring to replace. to_substring: It is used to specify the substring to replace with.
Example 1:
mysql> SELECT REPLACE ( ‘HELLO WORLD’, ‘WORLD’, ‘FRIENDS’ );
Output:
‘HELLO FRIENDS’
Explanation: The specified substring is replaced with another substring.
Example 2:
mysql> SELECT REPLACE ( ‘xyzw xyzw’, ‘x’, ‘w’ );
Output:
‘wyzw wyzw’
Explanation: The specified substring is replaced with another substring.
