Exam 5: Database Security

Encryption can be applied to the entire database,at the record level,at the attribute level,or at the level of the individual field.

In a relational database rows are referred to as _________.

In a ___________ administration a small number of privileged users may grant and revoke access rights.

In relational database parlance,the basic building block is a __________,which is a flat table.

Query restriction provides answers to all queries,but the answers are approximate.

A __________ cloud infrastructure is made available to the general public or a large industry group and is owned by an organization selling cloud services.

A telephone directory is an example of a statistical database.

A census database is an example of a pure statistical database.

A __________ database is one that provides data of a statistical nature such as counts and averages.

When using the __________ method attribute values are exchanged (swapped)between records in sufficient quantity so that nothing can be deduced from the disclosure of individual records.

A view cannot provide restricted access to a relational database so it cannot be used for security purposes.

T F 4.The value of a primary key must be unique for each tuple of its table.

The _________ model provides a predefined environment for the cloud subscriber that is shared with other tenants,typically through tagging data with a subscriber identifier.

The simplest form of query restriction is query size restriction.

The information transfer path by which unauthorized data is obtained is referred to as an ___________ channel.

A _________ is a virtual table.

With __________ the records in the database are clustered into a number of mutually exclusive groups and the user may only query the statistical properties of each group as a whole.

_________ is an organization that produces data to be made available for controlled release,either within the organization or to external users.

A(n)__________ is a user who has administrative responsibility for part or all of the database.

__________ is when the data in the SDB can be modified so as to produce statistics that cannot be used to infer values for individual records.