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Lower case column names with MySQL SELECT?
Let us first create a table −
mysql> create table DemoTable ( UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY, UserFirstName varchar(20), UserLastName varchar(20), UserAge int, UserCountryName varchar(20) ); Query OK, 0 rows affected (0.27 sec)
Now check the description of table.
mysql> desc DemoTable;
This will produce the following output −
+-----------------+-------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-----------------+-------------+------+-----+---------+----------------+ | UserId | int(11) | NO | PRI | NULL | auto_increment | | UserFirstName | varchar(20) | YES | | NULL | | | UserLastName | varchar(20) | YES | | NULL | | | UserAge | int(11) | YES | | NULL | | | UserCountryName | varchar(20) | YES | | NULL | | +-----------------+-------------+------+-----+---------+----------------+ 5 rows in set (0.00 sec)
Following is the query to convert case to lower case column names while using SELECT.
mysql> SELECT LOWER(COLUMN_NAME) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = 'DemoTable';
This will produce the following output −
+--------------------+ | LOWER(COLUMN_NAME) | +--------------------+ | userage | | usercountryname | | userfirstname | | userid | | userlastname | +--------------------+ 5 rows in set (0.03 sec)
Updated on: 30-Jul-2019
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