DQS can refer to:

• Data Quality Services, a business intelligence service for Microsoft SQL Server
• DQS Holding GmbH, a German company providing assessments and certifications of management systems and processes (Deutsche Gesellschaft zur Zertifizierung von Qualitätssicherungssystemen). (Not to be confused with Deutsche Gesellschaft für Qualität or DGQ)
• de Quervain syndrome, a mucoid degeneration of two tendons that control movement of the thumb and their tendon sheath
• Ducati Quick Shift, a gear shift system used on the Ducati 848 and Ducati SuperSport which allows for upshifts without using the clutch lever for faster acceleration
• dQS, the derivative of quantity supplied (QS), a term used in quantity adjustment in market supply analysis within economics

This disambiguation page lists articles associated with the title DQS.
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