Consider the following relation definition:

STUDENT(
Student_Number: integer NOT NULL
Name: variable length character string length 20 NOT NULL) Primary Key Student_Number
HOUSING(
Housing_ID: integer NOT NULL
Student_Number: integer NOT NULL
Building: variable length character string length 25 NOT NULL) Primary Key Housing_ID
Foreign Key Student_Number References
STUDENT(Student_Number)
ON DELETE NO CHECK
ON UPDATE

Which integrity constraint is violated in this relation definition?

Which of the following best describes the ON DELETE CASCADE referential integrity constraint?

Which subset of Structured Query Language (SQL) is used to perform operations such as data retrieval or deletion on the data contained in a database?

Which term describes the rejoining of relations that have been decomposed?

Your enterprise has created a database and database application. The testing phase for the project has started. Which of the following best describes white-box testing of the projects software?

Which of the following definitions applies to all types of databases?

In which situation would the DBMS use a serial schedule to execute the transactions?

A theta-join can be viewed as: