Database management system. Mark each question True or False and explain why you

ID: 3724212 • Letter: D

Question

Database management system. Mark each question True or False and explain why you made the choice.

. A DBMS extracts data from reports.

· A DBMS stores data in tables.

· Data is never duplicated in a file-processing system.

· A field is composed of records.

· Transactions are representations of events.

· A relation is a table of data.

· Unnormalized relations generally contain duplicate data.

· Most DBMSs let developers access the application metadata directly.

· Business rules cannot be included in a database schema.

· A field in one table is called a foreign key when it is the primary key of another table.

A DBMS extracts data from reports. False

DBMS stores data in tables. True

Data is never duplicated in a file-processing system. False

A field is composed of records. False

Transactions are representations of events. True

A relation is a table of data. True

Unnormalized relations generally contain duplicate data. True

Most DBMSs let developers access the application metadata

directly. False

Business rules cannot be included in a database schema. False

A field in one table is called a foreign key when it is the primary

key of another table. True

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