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Long time execution | No. of rows Variation in results

What is the problem when execute, it takes more than 1 minute to execute and shows variation in records? Sometimes shows error also.
#Source Data Error executing
user
23-08-2021 02:04:07 -0400
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1 Answer

Hi, For your scenario, I would check the Execution Trace of the query and see where the issue has occurred. For more information, you can refer to the [Execution Trace](https://community.denodo.com/docs/html/browse/latest/en/vdp/administration/appendix/execution_trace_information/execution_trace_information) and [Execution Trace of a Statement](https://community.denodo.com/docs/html/browse/8.0/en/vdp/administration/creating_derived_views/querying_views/execution_trace_of_a_statement) section under the Virtual DataPort Administration Guide. Hope this helps!
Denodo Team
23-08-2021 07:06:47 -0400
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