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Determines whether a field in an object is empty.



NAME (required)
Name used when the object was created using OBJECT.CREATE or loaded using OBJECT.LOAD .

FIELD (required)
Name of the field or column in the object.

OUTPUT (required)
Name of output variable.


The result of this tag (held in the output variable) is either the string "true" or the string "false." If the tag results in an error, no output variable is created and errno is set.

Error Numbers

The possible values of errno include:

Missing required attribute.
No object by specified name.

Release Introduced

This tag was introduced in CS release 5.0.

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Oracle XML Tag Reference
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