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MySQL query to SELECT rows with LIKE and create new column containing the matched string?
For this, use SUBSTRING(). Let us first create a table −
mysql> create table DemoTable1872 ( Name varchar(20) ); Query OK, 0 rows affected (0.00 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1872 values('John Doe');
Query OK, 1 row affected (0.00 sec)
mysql> insert into DemoTable1872 values('Adam Smith');
Query OK, 1 row affected (0.00 sec)
mysql> insert into DemoTable1872 values('Mitchell Johnson');
Query OK, 1 row affected (0.00 sec)Display all records from the table using select statement −
mysql> select * from DemoTable1872;
This will produce the following output −
+------------------+ | Name | +------------------+ | John Doe | | Adam Smith | | Mitchell Johnson | +------------------+ 3 rows in set (0.00 sec)
Following is the query to select rows with LIKE and create new column containing the matched string −
mysql> select Name,
substring(Name, locate('John', Name), length('John')) as NewName
from DemoTable1872
where Name like '%John%';This will produce the following output −
+------------------+---------+ | Name | NewName | +------------------+---------+ | John Doe | John | | Mitchell Johnson | John | +------------------+---------+ 2 rows in set (0.00 sec)
Updated on: 27-Dec-2019
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