IM2 PRELIM

A database can contribute to organizational success by providing managers and decision makers with timely, accurate, and relevant information based on data.

• True
• False

A DBMS provides a single point of management and control over data resources.

• True
• False

A database, a DBMS, and the application programs that use the data make up a query language.

• True
• False

A character can be an uppercase letter, lowercase letter, numeric digit, or special symbol.

• True
• False

The physical design of a database involves identifying relationships among the data items and grouping them in an orderly fashion.

• True
• False

Concurrency control usually involves understanding a specific business problem and analyzing the data and information needed to deliver a solution.

• True
• False

ER diagrams help ensure that the relationships among the data entities in a database are correctly structured so that any application programs developed are consistent with business operations and user needs.

• True
• False

Flat file databases do not use database models such as the relational model.

• True
• False

A database installed on a personal computer is typically meant for a single user.

• True
• False

In general, a DDL describes logical access paths and logical records in the database

• True
• False