Author Question: In relational database design, ID-dependent entities are used to ________. A) represent 1:1 ... (Read 93 times)

tsand2 · **on:** Jul 7, 2018

In relational database design, ID-dependent entities are used to ________.

A) represent 1:1 relationships
B) represent 1:N relationships
C) represent N:M relationships
D) handle recursive relationships
E) eliminate the need for weak entities being converted to tables.

Question 2

Which SQL keyword is used to apply conditions to restrict groups that appear in the results of a SELECT query that uses GROUP BY?

A) WHERE
B) HAVING
C) LIKE
D) SORT
E) DISTINCT