In database systems, the DBMS enforces rules about which data can ...

[jessicacav]

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

[mceravolo]

Answer to Question 1

D

Answer to Question 2

TRUE

[jessicacav]

TYSM

[robbielu01]

Gracias!