CDC Change data capture—the incremental changes to a database are captured and
stored and then retransacted or logged onto another database
Cell of a spreadsheet A basic unit of data found in a spreadsheet
Change data capture (CDC) The data that are gathered incrementally as a result of
transaction processing in order to form the basis of update to a data warehouse
Class I ODS An ODS whose latency is measured in 1 second or less
Class II ODS An ODS whose latency is measured in 4 hours or less
Class III ODS An ODS whose latency is measured in 24 hours or less
Client The node in a client-server architecture that initiates a request to a server and
processes the results
Click stream data Automated measurements of the activity occurring on a web site
Cluster A means of storing date from multiple tables based on a common key value
COBOL Common business-oriented language—an early popular computer language,
designed for the business user (see Grace Hopper)
Code (1) A symbolic value or (2) instructions written in a language directing the
computer how to proceed
Collision The mapping of two or more records to the same location by the hasher
Column A vertical table in which values are selected from the same domain
Comments A field of data containing free-form text
Compliance Business rules enforced by legislation or some other governing body
Connector A symbol used to indicate that one logical grouping of data has a relationship
with another logical grouping of data
Constraint The business rule that places a restriction on business actions and/or
decisions
Glossary