DATABASE FUNDAMENTALS
USING THE RIGHT LEFT AND MID FUNCTIONS IN EXCEL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The symbol for an operator that is not the same as in a logical operation is ____
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<>
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><
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=
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>=<
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Explanation:
Detailed explanation-1: -The logical operator *NOT (or ¬) is used to negate logical variables or constants.
Detailed explanation-2: -There are three logical operators: and, or, and not . The semantics (meaning) of these operators is similar to their meaning in English. For example, x > 0 and x < 10 is true only if x is greater than 0 and at the same time, x is less than 10.
Detailed explanation-3: -Logical operators: ! is a NOT operator. So, ‘&’ is not a Logical operator.
Detailed explanation-4: -everywhere. x ≔ y or x ≡ y means x is defined to be another name for y. ( The symbol ≡ can also mean other things, such as congruence). P :⇔ Q means P is defined to be logically equivalent to Q.
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