Add a column with a default value to an existing table in SQL Server

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How can I add a column with a default value to an existing table in SQL Server 2000 / SQL Server 2005?

Sep 11, 2022 in Database by Kithuzzz
• 38,010 points
2,135 views

1 answer to this question.

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Syntax:

ALTER TABLE {TABLENAME} 
ADD {COLUMNNAME} {TYPE} {NULL|NOT NULL} 
CONSTRAINT {CONSTRAINT_NAME} DEFAULT {DEFAULT_VALUE}
WITH VALUES

Example:

ALTER TABLE SomeTable
        ADD SomeCol Bit NULL --Or NOT NULL.
 CONSTRAINT D_SomeTable_SomeCol --When Omitted a Default-Constraint Name is autogenerated.
    DEFAULT (0)--Optional Default-Constraint.
WITH VALUES --Add if Column is Nullable and you want the Default Value for Existing Records
answered Sep 12, 2022 by narikkadan
• 63,700 points

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