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Order by number of chars in MySQL?
To order by number of chars, use ORDER BY and LENGTH() method. Following is the syntax −
select *from yourTableName order by LENGTH(yourColumnName) DESC;
Let us first create a table −
mysql− create table DemoTable -> ( -> Name varchar(100) -> ); Query OK, 0 rows affected (0.50 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('John');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable values('Robert');
Query OK, 1 row affected (0.13 sec)
mysql> insert into DemoTable values('Bob');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('David');
Query OK, 1 row affected (0.26 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
Output
This will produce the following output −
+--------+ | Name | +--------+ | John | | Robert | | Bob | | David | +--------+ 4 rows in set (0.00 sec)
Following is the query to order by number of chars −
mysql> select *from DemoTable -> order by LENGTH(Name) DESC;
Output
This will produce the following output −
+--------+ | Name | +--------+ | Robert | | David | | John | | Bob | +--------+ 4 rows in set (0.00 sec)
Updated on: 30-Jun-2020
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