DEFAULT Constraint


The DEFAULT constraint is used to assign a default value to a column.

If no value is provided during insertion, the default value is automatically applied.

DEFAULT helps avoid NULL values.

It ensures columns always have meaningful data.

This improves data consistency.

DEFAULT is commonly used for status, role, or date fields.

It reduces manual data entry.

This simplifies application logic.

If no value is provided for the column, the default value is automatically stored.

This happens without user input.

DEFAULT constraint improves data reliability.

It ensures consistent initial values.

DEFAULT is widely used in real-world databases.