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| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version

## *null-value*

This variable is used to represent null values in a row of values returned by a database access (such rows can contain null values). When these null values are to be returned to a Lisp program by Allegro ODBC, it represents them by the value in this variable. The initial value for `*null-value*` is `nil`.

See aodbc.htm for more information on Allegro ODBC.

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This page was not revised from the 8.2 page.
Created 2012.5.30.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version