GRPBY
Short Description
The GRPBY operators indicates the grouping of a row set
Detailed Description​
The GRPBY
operators indicates the grouping of a row set. Aggregate functions can be applied to GRPBY
operations, such as MIN, MAX, AVG, COUNT
etc.
As GRPBY
operators are required by the query, performance considerations should be directed to the SELECT
clauses providing the data.
The use of an ascending index may be considered to support a MIN
function, and a descending index to support a MAX
function.
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