Logical Functions

Logical functions act upon an expression, to return information about the values or sets in the expression.

Function	Description
AND	Checks whether all arguments are TRUE, and returns TRUE if all arguments are TRUE.
BITAND	Returns a bitwise 'AND' of two numbers.
BITOR	Returns a bitwise 'OR' of two numbers.
BITXOR	Returns a bitwise 'XOR' of two numbers.
COALESCE	Returns the first argument that does not evaluate to a blank value. If all arguments evaluate to blank values, BLANK is returned.
FALSE	Returns the logical value FALSE.
IF	Checks whether a condition is met, and returns one value if TRUE, and another value if FALSE.
IF.EAGER	Checks whether a condition is met, and returns one value if TRUE, and another value if FALSE. Uses eager execution plan.
IFERROR	Returns value_if_error if the first expression is an error and the value of the expression itself otherwise.
NOT	Changes FALSE to TRUE, or TRUE to FALSE.
OR	Returns TRUE if any of the arguments are TRUE, and returns FALSE if all arguments are FALSE.
SWITCH	Returns different results depending on the value of an expression.
TRUE	Returns the logical value TRUE.

Contributors: Alberto Ferrari, Marco Russo

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