One of the great things about InterBase is that if you can't do something in SQL, you can always add in a UDF to help you make it possible! In this tutorial, we combine database programming with some Delphi development to expand the SQL syntax of InterBase using User Defined Functions (UDF's). Simply put, UDF's are libraries that contain quick, simple functions that calculate a result on data passed in.

For more information and tutorial please visit the InterBase Labs page: [ Ссылка ]

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