Multiple Choice
Which of the following is true about a relation?
A) The order of the columns in a relation must go from largest to smallest.
B) All entries in any column must be of the same kind.
C) A relation may have duplicate column names.
D) A relation may have duplicate rows.
E) A relation may have multiple names.
Correct Answer:
Verified
Correct Answer:
Verified
Q42: In Microsoft Access,foreign keys are designated by
Q80: What are the basic steps of the
Q81: Surrogate key values have no meaning to
Q83: A double arrow notation,A →→ B,is used
Q84: Which of the following terms is synonymous
Q85: Which of the following is true about
Q86: When used to represent a relationship,the primary
Q87: What requirements must a two-dimensional table satisfy
Q89: Normalization is the process of removing all
Q90: Every relation is a table,but not every