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Update only the int in MySQL Field
Let us first create a table −
mysql> create table DemoTable702 ( StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentName varchar(100), StudentScore int ); Query OK, 0 rows affected (0.56 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable702(StudentName,StudentScore) values('Chris',56); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable702(StudentName,StudentScore) values('Robert',21); Query OK, 1 row affected (0.21 sec) mysql> insert into DemoTable702(StudentName,StudentScore) values('Mike',89); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable702(StudentName,StudentScore) values('David',99); Query OK, 1 row affected (0.20 sec)
Display all records from the table using select statement −
mysql> select *from DemoTable702;
This will produce the following output -
+-----------+-------------+--------------+ | StudentId | StudentName | StudentScore | +-----------+-------------+--------------+ | 1 | Chris | 56 | | 2 | Robert | 21 | | 3 | Mike | 89 | | 4 | David | 99 | +-----------+-------------+--------------+ 4 rows in set (0.00 sec)
Here is the query to update int in MySQL −
mysql> update DemoTable702 set StudentScore=StudentScore+9 where StudentId=2; Query OK, 1 row affected (0.09 sec) Rows matched: 1 Changed: 1 Warnings: 0
Let us check table records once again −
mysql> select *from DemoTable702;
This will produce the following output -
+-----------+-------------+--------------+ | StudentId | StudentName | StudentScore | +-----------+-------------+--------------+ | 1 | Chris | 56 | | 2 | Robert | 30 | | 3 | Mike | 89 | | 4 | David | 99 | +-----------+-------------+--------------+ 4 rows in set (0.00 sec)
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