Can anyone list out the basic and common expression which we use in QVW

[#1]

can anyone list out them if you have any basic common expression

for example selecting a specifuc product from one field for so and so year or month or week

[#2]

Hi,

Some sample expressions.

sum(IF(Year=2013, Expense)) // If Expression

SUM (
          {<Year = {2013},Month = {"april"}>} (Expense)
        )  //Set Analysis Expression