Top "Referential-integrity" questions

Referential integrity is a property of data which requires the value of an attribute/column of a relation table to exist as a value of another attribute/column in another relation table

mysql disable referential integrity

I want to drop all the schemas in a mysql db, and I don't want to be bothered with referential …

mysql constraints referential-integrity
null value in foreign key

I copied the following paragraph from http://msdn.microsoft.com/en-us/library/ms175464(v=sql.105).aspx A FOREIGN KEY constraint …

sql sql-server null foreign-keys referential-integrity
SQL Server: how to know if any row is referencing the row to delete

You cannot delete a row if any row is referencing the row to delete via a FK. Is it possible …

sql sql-server tsql foreign-keys referential-integrity