Sep 12, 2022
Default Constraint - SQL Server
The DEFAULT constraint is used to provide a column's default value. If no alternative value is supplied, that is, if the user leaves the column blank, the default value will be appended to all new records. DEFAULT is defined as a column attribute in the
The DEFAULT constraint is used to provide a column’s default value. If no alternative value is supplied, that is, if the user leaves the column blank, the default value will be appended to all new records. DEFAULT is defined as a column attribute in the ANSI SQL standard, however, Microsoft implemented DEFAULT as a type of constraint. As a result, the ALTER TABLE…ALTER COLUMN syntax cannot be…
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