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How to add a number to a current value in MySQL (multiple times at the same time)?
You can use UPDATE command for this.
The syntax is as follows
update yourTableName set yourColumnName =yourColumnName +yourIntegerValue where <yourCondition>;
To understand the above syntax, let us create a table. The query to create a table is as follows
mysql> create table addANumberToCurrentValueDemo -> ( -> Game_Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Game_Score int -> ); Query OK, 0 rows affected (0.67 sec)
Now you can insert some records in the table using insert command. The query is as follows −
mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(1090); Query OK, 1 row affected (0.30 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(204); Query OK, 1 row affected (0.12 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(510); Query OK, 1 row affected (0.14 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(7890); Query OK, 1 row affected (0.14 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(8999); Query OK, 1 row affected (0.11 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(1093859); Query OK, 1 row affected (0.11 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(157596); Query OK, 1 row affected (0.11 sec) mysql> insert into addANumberToCurrentValueDemo(Game_Score) values(4857567); Query OK, 1 row affected (0.28 sec)
Now you can display all records from the table using select statement.
The query is as follows −
mysql> select *from addANumberToCurrentValueDemo;
The following is the output
+---------+------------+ | Game_Id | Game_Score | +---------+------------+ | 1 | 1090 | | 2 | 204 | | 3 | 510 | | 4 | 7890 | | 5 | 9290 | | 6 | 1093859 | | 7 | 157596 | | 8 | 4857567 | +---------+------------+ 8 rows in set (0.05 sec)
Here is the query to add a number to a current value in MySQL
mysql> update addANumberToCurrentValueDemo set Game_Score=Game_Score+11 where Game_Id=5; Query OK, 1 row affected (0.15 sec) Rows matched: 1 Changed: 1 Warnings: 0
Now check the table records once again to verify the column Game_Score has been updated from 8999 to 9010.
The query is as follows −
mysql> select *from addANumberToCurrentValueDemo;
The following is the output
+---------+------------+ | Game_Id | Game_Score | +---------+------------+ | 1 | 1090 | | 2 | 204 | | 3 | 510 | | 4 | 7890 | | 5 | 9301 | | 6 | 1093859 | | 7 | 157596 | | 8 | 4857567 | +---------+------------+ 8 rows in set (0.00 sec)
Updated on: 30-Jul-2019
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