I need max + 1 value from SQL server

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SQL-Server-2008R2

I am trying to get (max + 1) value from SQL Data Base, is there any query to get it?
I have maximum 9 in reg_num column. But I need 10 what query should I use.

What I have tried:

select MAX (reg_num) from Student_Details
select MAX+1 (reg_num) from Student_Details

Posted 29-Mar-16 0:11am

arvindispra

Updated 29-Mar-16 0:28am

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CHill60 · Accepted Answer · 2016-03-29T00:13:00

Solution 1

SQL

select MAX(reg_num) + 1 from Student_Details

If you are using this method to assign id's to the students then don't do it this way. Use an IDENTITY column on your database table

Posted 29-Mar-16 0:13am

CHill60

Karthik_Mahalingam · Accepted Answer · 2016-03-29T00:14:00

Solution 3

SQL

select max ( reg_num) + 1 from Student_Details

Posted 29-Mar-16 0:14am

Karthik_Mahalingam

Comments

CHill60 29-Mar-16 6:28am

If my post deserved a 5 vote then this certainly did NOT deserve a 1. Countered

Karthik_Mahalingam 29-Mar-16 7:16am

thank you :)

koolprasad2003 · Accepted Answer · 2016-03-29T00:28:00

Basically 'MAX' return maximum from a given column, if you want to get a next maximum number then you can get it using MAX+1
But there may be problem when multiple read, so it is recommended to use AutoIncrement(Identity seed) features of SQL
to get MAX auto increment number from table you can use below query

SELECT IDENT_CURRENT('table_name');