what is the use of foreign key?
On: October 31, 2012 Posted in Engineering Questions Comments: 5 Views: 62 computer what is the use of foreign key? Engineering Questions
Thara soundarya.M
Foreign key provides the relationship between two tables of data, while updating the table both will affect at the same…..
umapathi
its states the relationship of one attribute(Column) of one table to the corresponding column on the other table.
Anbu
foreign key is used to retried value from two or more table value with corresponding state relationship.
foreign key is used to retried value from two or more table value with corresponding state relationship.
Foreign key states the relationship of one attribute(Column) of one table to the corresponding column on the other table.