||Computes the boolean AND of two boolean expressions. Returns TRUE if both expressions evaluate to TRUE. Returns FALSE if one or both expression(s) evaluate(s) to FALSE.
||Computes the boolean OR of two boolean expressions. Returns TRUE if one or both expressions evaluate to TRUE. Returns FALSE if both expressions evaluate to FALSE.
||Evaluates a list of conditions and returns the first resulting true expression. If a true expression is not found, will return the
ELSE statement, if present, or else will return
||Evaluates the arguments in order and returns the value of the first expression that does not contain
||Determines if an expression is NULL. Returns true if is NULL, and false otherwise. Alias for the operator IS NULL.
||Compares two expressions. If the values in each expression are equal, returns
NULL and, if they are not equal, returns the value of the first expression.