Author Question: You are given an E-R diagram with two entities, ORDER and CUSTOMER, as shown above. What does the ... (Read 55 times)

MGLQZ · **on:** Jul 7, 2018

You are given an E-R diagram with two entities, ORDER and CUSTOMER, as shown above. What does the symbol next to the CUSTOMER entity indicate?

A) A maximum cardinality of zero
B) A maximum cardinality of one
C) A minimum cardinality of optional
D) A minimum cardinality of required

Question 2

SQL Server automatically makes determinations of whether or not to promote or demote a lock.

Indicate whether the statement is true or false