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The SQL keyword LENGTH is not available in the Borland BDE Local SQL implementation of SQL.
To test for a specific string length you may use one af the following clauses.
To test for strings shorter than position:
WHERE
SUBSTRING(field FROM position) = ''
To test for strings having length equal to or longer than position:
WHERE
SUBSTRING(field FROM position) <> ''
Supplementary notes on LocalSQL added by Niels Knabe