How to replace a part of the string (domain name after @) using MySQL?
Let us first create a table −
mysql> create table DemoTable
-> (
-> EmailId varchar(30)
-> );
Query OK, 0 rows affected (0.53 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('John123@example.com');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable values('John123@gmail.com');
Query OK, 1 row affected (0.26 sec)
mysql> insert into DemoTable values('John123@yahoo.com');
Query OK, 1 row affected (0.09 sec)
mysql> insert into DemoTable values('John123@example.com');
Query OK, 1 row affected (0.10 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+---------------------+
| EmailId |
+---------------------+
| John123@example.com |
| John123@gmail.com |
| John123@yahoo.com |
| John123@example.com |
+---------------------+
4 rows in set (0.00 sec)
Here is the query to replace a part of the string −
mysql> update DemoTable
-> set EmailId=replace(EmailId,'John123@example.com','John123@gmail.com');
Query OK, 2 rows affected (0.16 sec)
Rows matched: 4 Changed: 2 Warnings: 0
Let us check the table records once again −
mysql> select *from DemoTable;
This will produce the following output −
+-------------------+
| EmailId |
+-------------------+
| John123@gmail.com |
| John123@gmail.com |
| John123@yahoo.com |
| John123@gmail.com |
+-------------------+
4 rows in set (0.00 sec)
Published on 12-Dec-2019 06:06:19
