16 digit auto generated column

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SQL-Server-2008

Hi,
I want to create a table in sql server 2008 with 4 columns i.e MemberId,MemberName,MemberAge and MemberAddress. My requirement is that i want the MemberId column to be autogenerate 16 digit random number.
How can I do it ?

Posted 1-Nov-12 6:49am

NayakMamuni

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AspDotNetDev 1-Nov-12 13:03pm

Are you talking about a GUID (also known in SQL Server as uniqueidentifier)?

NayakMamuni 1-Nov-12 13:38pm

No, not actually GUID but should be 16 digit unique id.

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Corporal Agarn · Answer 1 · 2012-11-01T08:26:00

Solution 1

SQL

select CAST(round(RAND()*10000000000000000,0) AS BIGINT)

I would suggest looking up the following in BOL:
CAST
ROUND
RAND
BIGINT

Posted 1-Nov-12 8:26am

Corporal Agarn

Comments

NayakMamuni 2-Nov-12 2:22am

Bur what should be the query to create the table with this ??

Corporal Agarn 2-Nov-12 6:38am

What do you have so far? My code would work for MemberID then wherever you are getting your other columns from. Since you said AUTO generate maybe you need to add this code as the default to the table column. See BOL ALTER TABLE