i have a column in sql server db an want increment?

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SQL-Server-2008R2

i have a table xyz and have two columns one store date as varchar and other store sequence of six digit 000000 to 999999 having datatype varchar.

i want to update my sequence +1 and the new generated sequence as 000001
000002
000003

how wil i do this ?

please help

Posted 3-Sep-14 21:24pm

Naveen Singh

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Pikoh 4-Sep-14 3:40am

Not enough info. That table,how many rows contains? One or several? And the increment depends on the previous row value or the same row value?

_Asif_ 4-Sep-14 4:13am

Why can't you add a new column with IDENTITY on and drop the existing sequence column?

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Prasanth Radhakrishanan · Answer 1 · 2014-09-03T23:16:00

Solution 1

CREATE TABLE xyz (
_ID int IDENTITY(1,1) not null,

id as RIGHT('0000' + CONVERT(varchar(6),_ID),6),

)

Posted 3-Sep-14 23:16pm

Prasanth Radhakrishanan

Updated 3-Sep-14 23:17pm

v2