Enforcing referential integrity assures that ________.
A) you cannot enter a value in the foreign key if there is no corresponding value in the primary key
B) you cannot enter the same value in the foreign key of the same table
C) you cannot leave that field empty
D) you cannot enter invalid or incorrect information
Correct Answer:
Verified
Q22: If you wanted the user to pick
Q23: A good way to know what fields
Q24: Which wildcard character matches a single character
Q25: Which of the following cannot be imported
Q26: Which field property helps a user know
Q28: What is the most common relationship type?
A)Many-to-many
B)One-to-many
C)One-to-one
D)None-to-none
Q29: When you purchase from a store several
Q30: Which of the following comparison operators is
Q31: To limit the number of records displayed
Q32: Which option would this wildcard,"H[!oe]" not display?
A)House
B)Hat
C)His
D)Humming
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