A CUSTOMER table's primary key is CUS_CODE.The CUSTOMER primary key column has no null entries,and all entries are unique.This is an example of ____ integrity.
A) entity
B) referential
C) complete
D) null
Correct Answer:
Verified
Q22: _, also known as RESTRICT, yields values
Q43: The _ constraint can be placed on
Q44: The _ is actually a system-created database
Q45: Controlled _ makes a relational database work.
A)
Q47: Referential _ means that if the foreign
Q49: A _ key can be described as
Q50: The equijoin takes its name from the
Q51: All primary key entries are unique,and no
Q52: _ combines all rows from two tables,excluding
Q53: A(n)_ join only returns matched records from
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