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 Alter Table To Set Unique Field - SqlServer 2008		  New Topic  Reply to Topic
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paramu
Posting Yak Master

141 Posts
Posted - 06/20/2011 :  01:53:06  Show Profile  Reply with Quote
Hi,
I have table MyAddress like the below..

Door_no nvarchar(25)
Street nvarchar(50)
Road nvarchar(50)
city nvarchar(50)
state nvarchar(50)
country nvarchar(50)

Now I like to set this field Door_no to be Unique field.

For that any ideas?

Thanks for the helps

Paramu @ PARANTHAMAN

senthil_nagore
Aged Yak Warrior

India
997 Posts
Posted - 06/20/2011 :  02:31:31  Show Profile  Visit senthil_nagore's Homepage  Send senthil_nagore a Yahoo! Message  Reply with Quote
Making Door_no as UNIQUE is sensible?

Different person have same door no in different street/city/state/country.

Any way the synatx is

ALTER TABLE <table_name> ADD UNIQUE (column_name)

Senthil.C
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http://senthilnagore.blogspot.com/
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paramu
Posting Yak Master

141 Posts
Posted - 06/20/2011 :  02:52:14  Show Profile  Reply with Quote
Hi Senthil Nagore,
Thanks For The Comments!


Paramu @ PARANTHAMAN
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senthil_nagore
Aged Yak Warrior

India
997 Posts
Posted - 06/20/2011 :  02:58:39  Show Profile  Visit senthil_nagore's Homepage  Send senthil_nagore a Yahoo! Message  Reply with Quote
quote:
Originally posted by paramu

Hi Senthil Nagore,
Thanks For The Comments!


Paramu @ PARANTHAMAN


Welcome

Senthil.C
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http://senthilnagore.blogspot.com/
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