SQL - AddModifyDelete Constraints - Page10

                                                                                      


πŸ‘‰Default Value

At the time of table creation, a default value can be assigned to a column.

When a record is loaded into the table, and the column is left empty, the database engine will automatically load this column with the default value specified.





πŸ‘‰Using ALTER command for constraints



πŸ‘‰
Dropping constraints




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