It is difficult to find professionals with the necessary skill set for RDBMS.

Lauren and her team have been hired to create a transaction system for Mike's Motorcycles. Mike's is a medium size shop with 10 employees that sells motorcycle parts and does repair on motorcycles, lawn mowers, and other small engine systems (boats, dune buggies, tractors, etc.) As part of Lauren's team, you need to recommend relational database management system.

The object persistence format that supports simple data types only is OODBMS.

The accountants at the Sears store in a local city have noticed that the appliance department is regularly short when items sold are compared to sales. The accountants feel that something is wrong and these systems must be checked for accuracy. The audit file system will reveal if appliances may have been stolen.

The two primary dimensions to optimize a relational database are storage efficiency and future needs.

The process of adding redundancy back into a physical data model is known as denormalization.

SQL, the standard language for accessing data in tables in relational databases , stands for Standard Query Language.

Information in a file's records that specifies the location of related records is called a marker.

Denormalization of a data model reduces the number of joins that must be performed in a query, which increases the speed of data access.

Complex data stored as objects will be manipulated slower than with other storage formats