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.

Index Q1

1>Which is false regarding index usage?

a>

A comparison operator or the IN operator.

b>

The NOT operator. c> We can use indexes with Sounds like operator. d> The TRIM or SUBSTR functions (provided the second argument of the SUBSTR function is 1) Which option is True and why?

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