Author Question: When transforming an E-R data model into a relational database design, the key of the parent entity ... (Read 80 times)

newyorker26 · **on:** Jul 7, 2018

When transforming an E-R data model into a relational database design, the key of the parent entity should be placed as part of the primary key into the child entity ________.

A) when the child entity is ID-dependent
B) when the child entity is non-ID-dependent
C) when the child entity has a 1:1 relationship with the parent entity
D) when the child entity has a 1:N relationship with the parent entity

Question 2

To limit the number of rows retrieved from a table, use the SQL TOP keyword.

Indicate whether the statement is true or false