Click the links for current and additional information. Data Management D ata management refers to the procedures used to acquire, access, and maintain data. Three major aspects of data management are data accuracy, data security, and data maintenance. Data security involves protecting data to keep it from being misused or lost.
Data maintenance refers to the procedures used to keep data current.
The Hierarchy of Data D ata is organized in a hierarchy in which each higher level is made up of one or more elements from the lower level preceding it. A bit is a binary digit that usually is combined with other bits to represent data. A byte is a combination of eight bits that can represent a character. A field is a combination of one or more bytes and usually is the smallest item of meaningful data. A record is a group of related fields.