Author Question: What are the IDEF1X equivalents of 1:1, 1:N and N:M relationships? What will be an ideal ... (Read 52 times)

tatyanajohnson · **on:** Jul 7, 2018

What are the IDEF1X equivalents of 1:1, 1:N and N:M relationships?

What will be an ideal response?

Question 2

In Oracle Database backup and recovery facilities, a consistent backup is one in which all uncommitted changes have been removed from the datafiles.

Indicate whether the statement is true or false

Pariscourtney · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

For relationships between strong entities, 1:1 and 1:N relationships are called nonidentifying connection relationships and N:M relationships are called nonspecific relationships. ID-dependent 1:N relationships are called identifying connection relationships, but there is no IDEF1X equivalent term for a weak but non-ID-dependent relationship.

Answer to Question 2

TRUE