E-QR: PS Query Giving "ORA-00979: Not A GROUP BY Expression" Error When Using Aggregate Function and (+) Join Operator
(Doc ID 2118085.1)
Last updated on FEBRUARY 06, 2019
Applies to:PeopleSoft Enterprise PT PeopleTools - Version 8.53 to 8.55 [Release 8.4]
Information in this document applies to any platform.
When attempting to run queries that contain aggregate functions and (+) join operator, the following error occurs:
"A SQL error occurred. Please consult your system log for details.
Error in running query because of SQL Error, Code=979, Message=ORA-00979: not a GROUP BY expression (50,380)"
The issue can be reproduced at will with the following steps:
1. Log in to PIA
2. Navigate to Reporting Tools > Query > Query Manager
3. Run a query that contains aggregate functions and Oracle's proprietary join (+) operator
4. Notice the error
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