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Tag: aggregation

Can you help me to correct this query in sql

ERROR at line 1: ORA-00979: not a GROUP BY expression Answer You are getting this error for WEIGHT_IN_PERCENTAGE. If WEIGHT_IN_PERCENTAGE is same for every row in a group you can use (SUM(POINTS) * max(WEIGHT_IN_PERCENTAGE)) or you can SUM(POINTS*WEIGHT_IN_PERCENTAGE) multiply it with POINTS before sum: OR