ExpressionBase
--------------

The SDTL types in  ExpressionBase are used in expressions, which may be numeric, text or logical. 


Properties
~~~~~~~~~~

This type contains no properties.


Item Type Hierarchy
~~~~~~~~~~~~~~~~~~~

* **ExpressionBase**
    * :doc:`/composite-types/BooleanConstantExpression/index`
    * :doc:`/composite-types/DateTimeConstant/index`
    * :doc:`/composite-types/FunctionCallExpression/index`
    * :doc:`/composite-types/GroupedExpression/index`
    * :doc:`/composite-types/IteratorSymbolExpression/index`
    * :doc:`/composite-types/MissingValueConstantExpression/index`
    * :doc:`/composite-types/NumberRangeExpression/index`
    * :doc:`/composite-types/NumericConstantExpression/index`
    * :doc:`/composite-types/NumericMaximumValueExpression/index`
    * :doc:`/composite-types/NumericMinimumValueExpression/index`
    * :doc:`/composite-types/StringConstantExpression/index`
    * :doc:`/composite-types/StringRangeExpression/index`
    * :doc:`/composite-types/TimeDurationConstant/index`
    * :doc:`/composite-types/UnhandledValuesExpression/index`
    * :doc:`/composite-types/ValueListExpression/index`
    * :doc:`/composite-types/VariableReferenceBase/index`


Relationships
~~~~~~~~~~~~~
The following identified item types reference this type.

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.. |stub| image:: ../../images/ExpressionBase.svg