How to change the default value of SQL Server database column attribute is 0, sqlserver2000

Source: Internet
Author: User

How to change the default value of SQL Server database column attribute is 0, sqlserver2000
-- If the field has no default value, run the following statement to add the default value:
Alter table name add default (1) for field name

-- If the default value exists and you want to change the default value, you need to drop the default value and add a new default value.
Alter table Name drop constraint default value constraint name

-- If you do not know the name of the default value constraint, use the following statement to query it:
Select [name]
From sysobjects t
Where id = (select cdefault from syscolumns where id = object_id (N 'table name ')
And name = 'field name ')

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