Q&A BY TAG 'Gather Statistics'
Parameterizing GET_STATS_FOR_FIELDS Scheduler job to automatically refresh the stats for all enabled views.
answered
03-06-2022 05:25:18 -0400
Hey, we are trying to use GETSTATSFORFIELDS in a Scheduler job to automatically refresh the stats for all views with statistics enabled. With LIST VIEWSTATSUMMARIES on myVdb I can get a list of all the views in the VDB, that have statistics enabled. N...
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2
vql shell command or existing store procedure to gathering statistics
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14-08-2020 17:54:08 -0400
Do we have some exsiting vql shell command or store procedure which is for stastics gathering, we want to use some command to do the statistics gathering. Thanks.
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1
Incomplete statistics in the following nodes
answered
09-07-2020 07:15:57 -0400
Hi Team, I'm facing an issue on gather stats. when i ran a query and gone through execution trace, I can see Optimizer message 'Incomplete statistics in the following nodes' and showing some base view names. i'm getting same message even after gathe...
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1
Gaterhing stats.
answered
29-04-2020 16:58:38 -0400
So does denodo really make queries or views more efficient by gathering stats. is it sophisitcated with creating new plans and optimizations when stats are gathered.? is it a best practice to run stats on a regular basis? but if really , my mvp is ju...
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1
Collecting Field wise stats without using CSV
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14-01-2020 08:45:13 -0500
How can I generate statistics at a field level using the scheduler without creating the csv or the base view to pass the viewname and fieldname values ?
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3
Related to:
How to update the statistics of a view automatically
Error gathering the statistics of the view: Wrong stats query resultset
answered
23-02-2018 04:46:19 -0500
When I try to gather the statistics for a Base View, I am getting the error: "Error gathering the statistics of the view: Wrong stats query resultset" I tried it going to base view > option> statistics and selected enable statistics and complet...
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1
Export the Gathered Statistics of a Base View (or any View)
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14-02-2018 07:57:01 -0500
I would like to Export the Gathered Statistics of a Base View (or any View), and apply those to the same view but in another Denodo server. Please let me know how I can do so.
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1
Error gathering the statistics of the view
answered
17-11-2017 06:11:37 -0500
Hi Team, I am getting the below error while trying to gather statistics for a derived view. This derived view is created from 3 derived view and 3 db tables. Could you please help? Error messages Error gathering the statistics of the view: Error exec...
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1