7 Questions
Cardinality is the total number of ______ or rows present in a relation
tuples
A relational database schema is a set of ______ schemas
relation
A relation instance or a relation state is a set of ______ at a given moment of time
tuples
Ted Codd invented the ______ model in 1970
relational
The first commercial implementations of the relational model were by ______ and IBM
Oracle
A table in a relational database is also called a ______
relation
A set of possible values that can be input for an attribute is called a ______
domain
Test your knowledge on the history of the relational data model with this quiz. Learn about its introduction in 1970 and the key individuals involved in its development.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
