Index Q2

For Compound Index optimization to occur which statement is false: a> It works even when the key variables are not mentioned in the WHERE condition. b> At least the first two key variables in the composite index must be used in the WHERE conditions. c> The condition must be connected using the AND operator d> At least one condition must use the EQ,equal sign(=) or IN operator. If you know the answer then comment:  If you want to Learn Base SAS and Advance SAS please mail me at creativityofnature@gmail.com.