Author Question: In IDEF1X, extended E-R model subtype entities are grouped into ________. A) generic entities B) ... (Read 71 times)

genevieve1028 · **on:** Jul 7, 2018

In IDEF1X, extended E-R model subtype entities are grouped into ________.

A) generic entities
B) category entities
C) nonspecific entities
D) category clusters
E) There is no equivalent IDEF1X term.

Question 2

Oracle Database only reads committed changes, and therefore dirty reads are not possible.

Indicate whether the statement is true or false