QUESTION 4 Which of the following is true regarding referential integrity constraint? O It's a rule...

Transcribed Image Text:

QUESTION 4 Which of the following is true regarding referential integrity constraint? O It's a rule specifying that every value of a foreign key matches a value of the primary key. All of the answers It prevents errors in data entry. O It contributes to database integrity by ensuring that every row in a "child" relation connects to a "parent" relation. QUESTION 5 What is a unique key? A column whose values identify one and only one row. All of the answers A value that is known to be blank for an attribute A null value QUESTION 6 When you import data, where can you NOT store it? O Existing table O New table O New form O Linked table QUESTION 4 Which of the following is true regarding referential integrity constraint? O It's a rule specifying that every value of a foreign key matches a value of the primary key. All of the answers It prevents errors in data entry. O It contributes to database integrity by ensuring that every row in a "child" relation connects to a "parent" relation. QUESTION 5 What is a unique key? A column whose values identify one and only one row. All of the answers A value that is known to be blank for an attribute A null value QUESTION 6 When you import data, where can you NOT store it? O Existing table O New table O New form O Linked table

Answer rating: 100% (QA)

Question 4 Which of the following is true regarding referentia... View the full answer