Removing duplicate records is a common database task. Indicate ...

[WWatsford]

Removing duplicate records is a common database task.
 
  Indicate whether the statement is true or false

Question 2

Which of the following best describes the effect of enforcing referential integrity on deletes?
 
  A) You cannot enter data into a foreign key table unless it is related to an existing record in the primary key table
  B) You cannot remove a record from the primary key table if it has related records in the foreign key table
  C) You cannot change a primary key that has related records in a foreign key table
  D) All of the above

[JCABRERA33]

Answer to Question 1

TRUE

Answer to Question 2

B

[WWatsford]

TYSM

[ghepp]

Gracias!