Mark T for True and F for False. If False, rewrite the statement so that it is True.

In a typical file processing system, each department or area within an organization has its own set of files.

Fields that contain numeric characters whose values will not be used in calculations usually are assigned a number data type.

A DBMS uses the data dictionary to perform validation checks to maintain the integrity of the data.

$$ In a rollforward, the DBMS uses the log to undo any changes made to the database during a certain period.

Nonrelational databases are highly scalable, which means they can handle the demands of Big Data.

$$ Amazon's Aurora is a free and open source RDBMS$.$

$$ Typically, every table in a relational database has a primary key.

$$ In Microsoft Access, Design view shows the table in a grid view with all its fields and records.

$$ A check digit tests the data in two or more associated fields to ensure that the relationship is logical and their data is in the correct format.

$$ Big Data is often described according to the three Vs: volume, variety, and velocity.