For completing the tasks mention below you must login to Hr schema

You must create a spool to show your result 

1.Display NULL Values in Aggregate Functions in Employee table

2.Display Nested Aggregate Functions in Employee table

3.List of SQL Aggregate Functions show the results using any table from Hr schema.

Answer rating: 100% (QA)

Solution 1 The employee table is given by 1 SELECT department count FROM employee GROUP BY departmen... View the full answer