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How to sort varchar numeric columns by DESC or ASC in MySQL?
Let us first create a table −
mysql> create table DemoTable726 (Value varchar(100)); Query OK, 0 rows affected (0.60 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable726 values('100');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable726 values('10');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable726 values('110');
Query OK, 1 row affected (0.17 sec)
mysql> insert into DemoTable726 values('2000');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable726 values('1000');
Query OK, 1 row affected (0.14 sec)Display all records from the table using select statement −
mysql> select *from DemoTable726;
This will produce the following output -
+-------+ | Value | +-------+ | 100 | | 10 | | 110 | | 2000 | | 1000 | +-------+ 5 rows in set (0.00 sec)
Following is the query to sort varchar numeric columns in ascending order −
mysql> select *from DemoTable726 order by CAST(Value AS DECIMAL(20,2));
This will produce the following output -
+-------+ | Value | +-------+ | 10 | | 100 | | 110 | | 1000 | | 2000 | +-------+ 5 rows in set (0.00 sec)
Following is the query to sort and display the result in descending order −
mysql> select *from DemoTable726 order by CAST(Value AS DECIMAL(20,2)) DESC;
This will produce the following output -
+-------+ | Value | +-------+ | 2000 | | 1000 | | 110 | | 100 | | 10 | +-------+ 5 rows in set (0.00 sec)
Updated on: 22-Aug-2019
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