Author Question: In database systems, the DBMS enforces rules about which data can be written in certain columns. The ... (Read 26 times)

jessicacav · **on:** Jul 7, 2018

In database systems, the DBMS enforces rules about which data can be written in certain columns. The rules are known as ________.

A) data insertion control
B) data modification control
C) concurrency control
D) referential integrity constraints

Question 2

Joins that show only matching rows from the joined tables in their results are called inner joins.

Indicate whether the statement is true or false