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Can anyone explain Query Bands in Teradata?
I’ve searched regarding this a lot, but wasnt able to get information which I can understand.
Please be a bit detailed.
Thanks!!!
QUERY BANDING IN TERADATA:
QUERY BANDING PROVIDES CIRCUMSTANTIAL WORKFLOW INFORMATION.
Concept:
Scientists will often band the legs of birds with devices to track their flight paths. Monitoring and analyzing the data retrieved via the bands provides critical information about the species.
The same process is followed by DBAs who need some more information about a query than what is available.
Metadata—such as the name of requesting user, work unit & the application name is important, Workload management will be tracking the entire use of data warehouse & query troubleshooting.
Query banding feature is used such a way that, these metadata details are linked to the query in database.
A query band can contain any number of name or value pairs such as initiating users corporate ID, department & location, also the time of the initiation execution started.