SQL LENGTH

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SQL LENGTH

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LENGTH(string)

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