You can change the schema of a remote UltraLite database by having your existing application execute DDL.
It is usually impractical to have all users upgrade to the new version of the application at the same time. Therefore, you need to be able to have both versions co-existing in the field and synchronizing with a single consolidated database. You can create two or more versions of the synchronization scripts that are stored in the consolidated database and control the actions of the MobiLink server. Each version of your application can then select the appropriate set of synchronization scripts by specifying the correct version name when it initiates synchronization.
For information about UltraLite DDL, see UltraLite SQL statement reference.
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