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Primary Key Quiz

A super key is any key that uniquely identifies each

A table can be logically connected to another table by defining a

A primary key that consists of more than one field is called a

Which of the following statements concerning the primary key is true?

In the context of a database table, the statement "A determines B" indicates that

A super key that does not contain a subset of attributes that is itself a super key is called a

A table that displays data redundancies yields ____________ anomalies.

A table is in the Fourth Normal Form (4NF) if

A table where all attributes are dependent on the primary key and are independent of each other, and no row contains two or more multivalued facts about an entity, is said to be in

The basic SQL aggregate function that gives the number of rows containing not null values for the given column is

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