SQL Max Count

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SQL Max Count

SQL Max Count is used to return the maximum records value of the specified column in a table.

SQL Max Count is used to return the maximum records value of the specified column in a table.

SQL Max Count

     

SQL Max Count is used to return the maximum records value of the specified column in a table.

Understand with Example

The Tutorial illiustrate an example from 'SQL Max Count'. To elaborate example we create a table 'Stu'. The create table create a table 'Stu' with required fieldnames and datatypes respectively.

 

 

 

 

Create table Stu

Create Table Stu(Id int,Name Varchar(15),Marks int);

Insert values into Stu

The insert into is used to add the records or rows into table 'Stu'.

Insert Into Stu values(1,'Ajay',89);
Insert Into Stu values(2,'Bhanu',67);
Insert Into Stu values(4,'Rakesh',67);
Insert Into Stu values(5,'Santosh',90);
Insert Into Stu values(3,'Komal',78);
Insert Into Stu values(1,'Ajay',45);
Insert Into Stu values(2,'Bhanu',67);
Insert Into Stu values(4,'Rakesh',87);
Insert Into Stu values(5,'Santosh',40);
Insert Into Stu values(3,'Komal',71);

Stu Table

+------+---------+-------+
| Id   | Name    | Marks |
+------+---------+-------+
| 1    | Ajay    | 89    |
| 2    | Bhanu   | 67    |
| 4    | Rakesh  | 67    |
| 5    | Santosh | 90    |
| 3    | Komal   | 78    |
| 1    | Ajay    | 45    |
| 2    | Bhanu   | 67    |
| 4    | Rakesh  | 87    |
| 5    | Santosh | 40    |
| 3    | Komal   | 71    |
+------+---------+-------+

Query for Max Count

The Query given below is used to sort the records by id and returns the maximum value of the marks from table 'stu'.

select id, name ,max(marks) from stu  group by id;

 Result

+------+---------+------------+
| id   | name    | max(marks) |
+------+---------+------------+
| 1    | Ajay    | 89         |
| 2    | Bhanu   | 67         |
| 3    | Komal   | 78         |
| 4    | Rakesh  | 87         |
| 5    | Santosh | 90         |
+------+---------+------------+

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