Your are here: Home > Posts Tagged With attributes of foreign key
Difference Between attributes of foreign key
May 1st, 2011
Foreign key vs Primary key A column or a set of columns, which can be used to identify or access a row or a set of rows in a database is called a key. A primary key in a relational database is a combination of columns in a table that uniquely identify a row of the table. Foreign key in a relational database is...