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MySQL update multiple records in a single query?
Let us first create a table −
mysql> create table DemoTable -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Marks1 int, -> Marks2 int, -> Marks3 int -> ); Query OK, 0 rows affected (0.60 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable(Marks1,Marks2,Marks3) values(45,67,34); Query OK, 1 row affected (0.33 sec) mysql> insert into DemoTable(Marks1,Marks2,Marks3) values(89,87,56); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable(Marks1,Marks2,Marks3) values(87,56,54); Query OK, 1 row affected (0.31 sec)
Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+----+--------+--------+--------+ | Id | Marks1 | Marks2 | Marks3 | +----+--------+--------+--------+ | 1 | 45 | 67 | 34 | | 2 | 89 | 87 | 56 | | 3 | 87 | 56 | 54 | +----+--------+--------+--------+ 3 rows in set (0.00 sec)
Here is the query to update multiple records −
mysql> update DemoTable -> set Marks1=98,Marks2=96,Marks3=99 -> where Id=1; Query OK, 1 row affected (0.18 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 −
+----+--------+--------+--------+ | Id | Marks1 | Marks2 | Marks3 | +----+--------+--------+--------+ | 1 | 98 | 96 | 99 | | 2 | 89 | 87 | 56 | | 3 | 87 | 56 | 54 | +----+--------+--------+--------+ 3 rows in set (0.00 sec)
Updated on: 17-Dec-2019
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