AVG « Aggregate Functions « Oracle PL / SQL

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Oracle PL/SQL Tutorial
Oracle PL / SQL » Aggregate Functions » AVG 
1.AVG: returns the average of all NOT NULL values passed into the function
2.Syntax: AVG ([DISTINCT]|[ALL] )
3.find the average of the uniquely priced cars: use the DISTINCT modifier:
4.To find out the average price for each manufacturer: use the GROUP BY clause
5.AVG function and NULLs
6.Average salary in Toronto: AVG with where clause
7.AVG(DISTINCT salary)
8.GROUP BY clause and AVG() function
9.Having with avg
10.Use avg and nvl together
11.Use NVL in set statement
12.Average Price Per Department
13.Average Price Per Departments Having More Than 3 Products
14.Employees whose salary is more than average salary
15.Employees whose salary is more than average salary(use having clause only)
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