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dbnull ( numeric_expression )
dbnull ( database_number , numeric_expression )
dbnull ( database_number , recordset_number , numeric_expression )
dbnull ( string_expression )
dbnull ( database_number , string_expression )
dbnull ( database_number , recordset_number , string_expression )
returns boolean_expression ==== Description ==== Return a true if the specified column number or name of the current row of the open recordset is a NULL vale. If the field contains a value a false will be returned. ==== Example ==== See example of usage on DBOpen page. ==== See Also ====
==== External Links ==== More information about databases in general and SQLite specifically can be found at SQLite Home Page and SQL at Wikipedia. ==== History ==== |0.9.9.23|New to Version|