In-line contextualization The technique of inferring context by establishing a beginning
delimiter and an ending delimiter
Inmon, Bill The father of data warehouse and textual disambiguation
Instance A member of a shared partition database system, such as an Oracle cluster
Integrity of data The assurance that data are correct and accurate as stored
Internet The system by which data are stored and are made available to a large audience
Interactive A mode of processing in which the end user directly moves data into and out
of a system
Intranet A TCP/IP network that is physically separated from the Internet
Inverted list A data structure in which a flat file is indexed
I/O Input/output operation—the activity or reading or writing a record to disk storage.
I/O operations happen in terms of mechanical speeds
ISO International Organization for Standardization
IT The information technology organization—the organizational entity charged with
building and managing applications and technology systems
Iterative process A process that is done in short finite steps, where there are many steps,
but where each step is taken quickly
Join The process of merging two or more tables on the basis of a common key
Key An identifying attribute of data
KPI Key performance indicator—a measurement made periodically by the organization
that examines important variables
Language The text that is used to communicate with the computer. Some languages are
optimized for ease of use. Other languages are optimized for speed of processing
Legacy systems The older systems used to run the business of the corporation as it was
defined 10 or 20 years ago
Glossary