Quality Assurance (QA)
The process responsible for gaining assurance that the quality of a product, service or process will provide its intended value. (Baseline ITIL definition) See also Data Quality.
Quality Control
The discipline, process, organizational group, and/or system of technical activities that measures the attributes and performance of a process, item, or service against defined standards to verify that they meet stated requirements. See also Data Quality.
Quality In, Quality Out
see Garbage In, Garbage Out
Query
Formal, specific request for information from a data warehouse or spreadsheet or database posed by a user, sometimes by a tool operated by a user. See also SQL.
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