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| boolean Boolean conditions are evaluated from the left to the right. There is no order for the logical operators. Use parentheses to create hierarchy in your logical expressions. Example: TRUE OR (TRUE AND FALSE) will evaluate (TRUE AND FALSE) first. |
AND
This function returns TRUE if all its arguments evaluate to TRUE; it returns FALSE if one or more arguments evaluate to FALSE.
Syntax
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argument1 AND argument2 [AND ...] |
- argument1 - The first boolean condition that you want to evaluate.
- argument2 - The first boolean condition that you want to evaluate.
- [AND …] - Additional boolean conditions that you want to evaluate.
Return type
- boolean
Examples
- TRUE AND TRUE results in TRUE
- TRUE AND FALSE results in FALSE
- TRUE AND ? (= UNKNOWN) results in UNKNOWN
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