Which of the following is a component of the relational data model included to specify business rules to maintain the integrity of data when they are manipulated?
A null value is created or represented by
A functional dependency between two or more non-key attributes is called
Which of the following is a classical approach to database design?
In the context of a database table, the statement "A determines B" indicates that
Which of the following Relational Algebra operations require that both tables (or virtual tables) involved have the exact same attributes/data types?
Which type of file is easiest to update?
A method that speeds query processing by running a query at the same time against several partitions of a table using multi processors is called
The protocol that ensures conflict serializability is
![[QUIZIFIC]](/img/quizific-logo-small.png){kind=logo}
![[Facebook]](/img/facebook-color-25x25.png)
Facebook![[Twitter]](/img/twitter-color-25x25.png)
Twitter![[Google+]](/img/google-plus-color-25x25.png)
Google+![[Facebook]](/img/facebook-color-12x12.png)
![[Twitter]](/img/twitter-color-12x12.png)
![[Google+]](/img/google-plus-color-12x12.png)