SUM « Aggregate Functions « Oracle PL / SQL

1.SUM: total for all NOT NULL values, accepts only numeric datatype values
2.Syntax: SUM([DISTINCT]|[ALL] )
3.GROUP BY function would produce inventory totals distributed across different vendors
4.SUM function and NULLs
5.Using the SUM function with GROUP BY Clause
6.sum with column calculation
7.Add an "OTHER" and "TOTAL" column to the report:
8.Compute sum on salary
9.Sum column for a certain time period

10.Sum salary group by department number
11.Sum salary over
12.Sum() function and having clause
13.Doing calculation in sum() function
14.Wrap case when into sum() function