What is called the number of columns in a table?
A.
Schema
B.
Relation
C.
Degree
D.
Cardinality
Explanation:
The number of columns in a database table (relation) is referred to as the degree.Incorrect Answers:
A: Schema describes that structure of the database
B: A database table is also referred to as a relation.
D: Cardinality is the number of rows (tuples) in a database table (relation).Stewart, James, Ed Tittel and Mike Chapple, CISSP: Certified Information Systems security Professional Study
Guide, 5th Edition, Wiley Publishing, Indianapolis, 2011, pp. 275, 277