Many times there is a need to rank the records according to some specific field values but there is not any specific method provided in the MySQL to rank the records.

MySQL rank

     

Many times there is a need to rank the records according to some specific field values but there is not any specific method provided in the MySQL to rank the records. We can achieve ranking of the records by the combination of SQL query. 

Here in the following example we will describe how you can get the ranking of the results according to your requirement. First of all we require a database table, therefore we have created a table with the name "mca". 

 

 

 

 

 

Query	CREATE TABLE `mca` ( `id` bigint(11) NOT NULL auto_increment, `name` varchar(255) default NULL, `subject` varchar(255) default NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1; /*Data for the table `mca` */ insert into `mca`(`id`,`name`,`subject`) values (1,'Amit','Computer '),(2,'Ramesh','Computer '),(3,'Suman','Computer '),(4,'Vineet','Java'),(5,'Sandeep','C++');
Output

If we use the following query 

Query	SELECT * FROM mca ORDER BY id DESC;
Output

This is what we have queried that means it can results either in the descending order or in the ascending order but if we want to provide them ranking then we have to write the query as given below:

Query	SET @rank=0; SELECT @rank:=@rank+1 AS rank, id, name, subject FROM mca ORDER BY id DESC;
Output

So as you can see in the output that it has resulted one more field "rank".

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