.a value that can be used to identify a unique attribute in a tableb.a value that can be used to identify a unique row in a tablec.a value that can be used to identify a unique domain in a tabled.a value that can be used to identify a unique column in a tablee.a value that can be used to identify a unique field in a table
Question
.a value that can be used to identify a unique attribute in a tableb.a value that can be used to identify a unique row in a tablec.a value that can be used to identify a unique domain in a tabled.a value that can be used to identify a unique column in a tablee.a value that can be used to identify a unique field in a table
Solution
a. This is known as an Attribute Key. It is used to identify a unique attribute in a table.
b. This is known as a Primary Key. It is used to identify a unique row in a table.
c. This is known as a Domain Key. It is used to identify a unique domain in a table.
d. This is known as a Column Key. It is used to identify a unique column in a table.
e. This is known as a Field Key. It is used to identify a unique field in a table.
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