Skip to main content

Dbnull

DBNull (Function)​

Format​

dbnull ( numeric_expression )
dbnull ( database_number , numeric_expression )
dbnull ( database_number , database_recordset_number , numeric_expression )
dbnull ( string_expression )
dbnull ( database_number , string_expression )
dbnull ( database_number , database_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​

(See en:start.)&noheader)

More information about databases in general and SQLite specifically can be found at SQLite Home Page and SQL at Wikipedia.

History​

0.9.9.23New to Version