The ________ rule states that an entity instance can simultaneously be a member of two (or more) subtypes.
________ anomalies can be caused by editing data in tables.
________ anomalies can be caused by editing data in tables.
Which of the following is true of packaged data models?
Which of the following is true of packaged data models?
Which of the following is NOT an objective that drove the de…
Which of the following is NOT an objective that drove the development and evolution of database technology?
A transaction is considered isolated when:
A transaction is considered isolated when:
Which of the following is true of packaged data models?
Which of the following is true of packaged data models?
An integrity control supported by a DBMS is:
An integrity control supported by a DBMS is:
The main concept of relational databases was published in 19…
The main concept of relational databases was published in 1970 by:
One major advantage of the outer join is that:
One major advantage of the outer join is that:
An integrity control supported by a DBMS is:
An integrity control supported by a DBMS is: