https://community.qlik.com/t5/App-Development/Querying-Multiple-database-at-once-best-practices/m-p/1823624#M67577 <P>We have the need to query multiple databases (over 200) at once but require a reload of the application every 20 minutes.&nbsp; Currently the reload task is taking over 50 minutes.&nbsp; This is not optimal.&nbsp; I am looking for best practices as to how to go about this.&nbsp; Our database model can not change at this time, so we need to find a way to summarize the data, fine/tune the query or hopefully there's a better way within Qlik Sense to achieve this.&nbsp; Any help would be appreciated.&nbsp;</P> Wed, 21 Jul 2021 13:18:56 GMT skokoruda 2021-07-21T13:18:56Z https://community.qlik.com/t5/App-Development/Querying-Multiple-database-at-once-best-practices/m-p/1823624#M67577 <P>We have the need to query multiple databases (over 200) at once but require a reload of the application every 20 minutes.&nbsp; Currently the reload task is taking over 50 minutes.&nbsp; This is not optimal.&nbsp; I am looking for best practices as to how to go about this.&nbsp; Our database model can not change at this time, so we need to find a way to summarize the data, fine/tune the query or hopefully there's a better way within Qlik Sense to achieve this.&nbsp; Any help would be appreciated.&nbsp;</P> Wed, 21 Jul 2021 13:18:56 GMT https://community.qlik.com/t5/App-Development/Querying-Multiple-database-at-once-best-practices/m-p/1823624#M67577 skokoruda 2021-07-21T13:18:56Z