how check primary key isidentity properties is yes or no

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SQL-Server

SQL-Server-2008

Hello sir i find primary key is isidentity in yes or no from primary key name using query please give me solution.

Posted 6-Nov-11 18:52pm

udaipal

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hitech_s 7-Nov-11 0:55am

using c# or vb?

2 solutions

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Bun Leap_kh · Answer 1 · 2011-11-06T19:15:00

Solution 1

let see the link below:
http://stackoverflow.com/questions/222217/how-do-i-determine-if-a-column-is-in-the-primary-key-of-its-table-sql-server[^]

Posted 6-Nov-11 19:15pm

Bun Leap_kh

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Prerak Patel 7-Nov-11 1:36am

I think, OP wants to know whether column has 'is identity' set to true/false based on the primary key name.

Prerak Patel · Answer 2 · 2011-11-06T19:35:00

You can convert this to procedure to pass PK name to it.

SQL

Declare @Table varchar(50)
Declare @Column varchar(50)

SELECT @Column=Column_Name, @Table=KU.Table_Name
FROM  INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS TC
INNER JOIN
INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KU
ON TC.CONSTRAINT_TYPE = 'PRIMARY KEY' AND
TC.CONSTRAINT_NAME = KU.CONSTRAINT_NAME
Where KU.Constraint_Name = 'PK_Books_1' -- specify your key/pass it as parameter

SELECT	is_identity
FROM	sys.columns
WHERE	[object_id] = object_id(@Table) and name = @Column