Question: the group by operator in sql is used to? a. aggregate functions on the query results based on one or more clummns b. indentify which
the group by operator in sql is used to?
a. aggregate functions on the query results based on one or more clummns
b. indentify which columns are used to sort the resulting data
c. state the criteria that much be met to be shown in the query result
d. indicate the name of the table from which to retrieve data
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