Computer Security Principles and Practice
Quiz 5: Database Security
A Query Language Provides a Uniform Interface to the Database
A query language provides a uniform interface to the database.
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A telephone directory is an example of a statistical database.
To create a relationship between two tables,the attributes that define the primary key in one table must appear as attributes in another table,where they are referred to as a foreign key.
T F 4.The value of a primary key must be unique for each tuple of its table.
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