NexusDB Guide > SQL Reference > SQL Data Types

NexusDB V3 Manual

Boolean Types

Syntax

<boolean type> :=

BOOLEAN

BOOL

Notes

§	The BOOLEAN data type can have one of three different boolean literal values:

TRUE

FALSE

UNKNOWN

§	BOOL is a NexusDB synonym for BOOLEAN.

§	Two boolean values are comparable.

§	A boolean value is assignable only to a boolean site.

Conformance

SQL:2003 standard

NexusDB extensions

Feature T031 "BOOLEAN data type"

BOOL

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