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Insert values in a table by MySQL SELECT from another table in MySQL?
Fir this, use INSERT INTO SELECT statement. Let us first create a table −
mysql> create table DemoTable1 -> ( -> Id int, -> Name varchar(20), -> Age int -> ); Query OK, 0 rows affected (1.72 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1 values(100,'Chris',24); Query OK, 1 row affected (0.61 sec) mysql> insert into DemoTable1 values(101,'Adam',23); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable1 values(102,'John',25); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable1 values(103,'Carol',26); Query OK, 1 row affected (0.26 sec)
Display all records from the table using select statement −
mysql> select * from DemoTable1;
This will produce the following output −
+------+-------+------+ | Id | Name | Age | +------+-------+------+ | 100 | Chris | 24 | | 101 | Adam | 23 | | 102 | John | 25 | | 103 | Carol | 26 | +------+-------+------+ 4 rows in set (0.00 sec)
Here is the query to create second table −
mysql> create table DemoTable2 -> ( -> EmployeeId int, -> EmployeeFirstName varchar(20), -> EmployeeAge int -> ); Query OK, 0 rows affected (1.63 sec)
Here is the query to insert values in DemoTable2 from MySQL select from DemoTable1 −
mysql> insert into DemoTable2(EmployeeId,EmployeeFirstName,EmployeeAge) select Id,Name,Age from DemoTable1 where Id=101; Query OK, 1 row affected (0.17 sec) Records: 1 Duplicates: 0 Warnings: 0
Let us check the table records −
mysql> select * from DemoTable2;
Here is the query to create second table −
+------------+-------------------+-------------+ | EmployeeId | EmployeeFirstName | EmployeeAge | +------------+-------------------+-------------+ | 101 | Adam | 23 | +------------+-------------------+-------------+ 1 row in set (0.00 sec)
Updated on: 05-Nov-2019
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