21.4.7.10 ST_BoolOperator

This simple type specified Boolean operations which can be applied to compare constraints.

This simple type’s contents are a restriction of the W3C XML Schema token datatype.

This simple type is restricted to the values

listed in the following table:

Enumeration Value

Equal operator.

Description

Specifies the greater than or equal to Boolean operator.

Specifies the less than or equal to Boolean operator.

Specifies a none Boolean operator

[Note: The W3C XML Schema definition of this simple type’s content model (ST_BoolOperator) is located in A.5.3. end note]