Online Min eLearning Training
From 123-CBT Computer Based Training
Oracle SQL for End Users--Part 2

... Identify the features of a group function. Return the minimum and maximum values from a group of values by using the MIN and MAX group functions in a query. Perform calculations on a group of numeric values by using the AVG and SUM group functions in a query. Return the number of rows in a specified group by using the COUNT group function in a query. Manage null values when using group
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