Web Reference: The DEFAULT constraint is used to automatically insert a default value for a column, if no value is specified. The default value will be added to all new records (if no other value is specified). Feb 10, 2026 · The DEFAULT constraint in SQL automatically assigns a predefined value to a column when no value is provided during insertion. It helps maintain consistency and reduces the need to specify values for every column in an INSERT query. Nov 18, 2025 · A default constraint doesn't change when the row is updated. To update a value whenever the row is modified, consider using a trigger, a temporal table, a computed column, or a rowversion binary string.
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Default Constraint In Sql Sql Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
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Last Updated: April 7, 2026
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