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If the backup .DBT is lost, use the following procedure to recover:

1. Assuming your database name

1. is EXAMPLES, so

1. your .DBT

1.  file is

1. named EXAMPLES.DBT;

1. Rename EXAMPLES.DBT

1.  to EXAMPLES.BAK, making a temporary backup;

2. Make a copy

1. of SYSPROG.DBT; name the

1. copy EXAMPLES.DBT;

2. Log into

1. the EXAMPLES application.

What this does is start

the EXAMPLES database out with just the system tables attached. Now you have to go back into Database Manager (or use the command line) to attach the tables necessary for your application. Once you have done that,

use Define_Database

 to save the database definition. After you are happy

that EXAMPLES is working well again, make a back up.