Solved

All Primary Key Entries Are Unique,and No Part of a Primary

Question 93

Multiple Choice

All primary key entries are unique,and no part of a primary key may be ____.

A) zero
B) a foreign key
C) null
D) a candidate key

Related Questions

Q17: Only a single attribute, not multiple attributes,

Q44: _ relationships cannot be implemented as such

Q69: _, also known as RESTRICT, yields values

Q73: _ is the real power behind the

Q88: Codd's rule of _ states that every

Q89: A(n)_ is perceived as a two-dimensional structure

Q90: A data dictionary contains metadata-data about data.

Q91: Any attribute that is part of a

Q92: A CUSTOMER table's primary key is CUS_CODE.The

Q96: A _ key can be described as