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A single MySQL query to select value from first table and insert in the second?
Let us first create a table −
mysql> create table DemoTable1( Value int ); Query OK, 0 rows affected (0.65 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1 values(67); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable1 values(46); Query OK, 1 row affected (0.11 sec)
Display all records from the table using select statement −
mysql> select *from DemoTable1;
This will produce the following output −
+-------+ | Value | +-------+ | 67 | | 46 | +-------+ 2 rows in set (0.00 sec)
Following is the query to create the second table −
mysql> create table DemoTable2( Score int ); Query OK, 0 rows affected (0.70 sec)
Following is how you can insert record in the second table from the first table −
mysql> insert into DemoTable2(Score) select Value from DemoTable1; Query OK, 2 rows affected (0.13 sec) Records: 2 Duplicates: 0 Warnings: 0
Display all records from the table using select statement −
mysql> select *from DemoTable2;
This will produce the following output −
+-------+ | Score | +-------+ | 67 | | 46 | +-------+ 2 rows in set (0.00 sec)
Updated on: 27-Sep-2019
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