Author Question: Which of the following is true about a relation? A) The order of the columns in a relation must ... (Read 13 times)

abarnes · **on:** Jul 7, 2018

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.

Question 2

SQL views are constructed from:

A) CREATE statements.
B) INSERT statements.
C) UPDATE statements.
D) SELECT statements.
E) VIEW statements.