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Update MySQL column based on email address?
Let us first create a table −
mysql> create table DemoTable -> ( -> EmailAddress varchar(20), -> Score int -> ); Query OK, 0 rows affected (1.05 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('Chris@gmail.com',67);
Query OK, 1 row affected (0.20 sec)
mysql> insert into DemoTable values('Robert@gmail.com',57);
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('David@gmail.com',98);
Query OK, 1 row affected (0.14 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+------------------+-------+ | EmailAddress | Score | +------------------+-------+ | Chris@gmail.com | 67 | | Robert@gmail.com | 57 | | David@gmail.com | 98 | +------------------+-------+ 3 rows in set (0.00 sec)
Here is the query to update MySQL column based on email address −
mysql> update DemoTable -> set Score=89 -> where EmailAddress='Robert@gmail.com'; Query OK, 1 row affected (0.25 sec) Rows matched: 1 Changed: 1 Warnings: 0
Let us check the table records once again −
mysql> select *from DemoTable;
This will produce the following output −
+------------------+-------+ | EmailAddress | Score | +------------------+-------+ | Chris@gmail.com | 67 | | Robert@gmail.com | 89 | | David@gmail.com | 98 | +------------------+-------+ 3 rows in set (0.00 sec)
Updated on 18-Dec-2019 05:24:17
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