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For AppDynamics for Databases 2.9 and

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Higher

AppDynamics for Databases now supports the same concurrent licensing supported by other AppDynamics products.  You can add and use collectors up to the number of concurrent licenses you purchased. Each collector you configure consumes one license. If you configure more collectors than you are licensed to use, none of your existing collectors will work until you delete one of the collectors or add more licenses. 

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