When rebuilding a database on Windows Mobile, you have the following options:
Rebuild the Windows Mobile database on another platform and then copy the database to the Windows Mobile device. This is the recommended method.
Repopulate an empty database using dbmlsync.
Repopulate an empty database using dbremote.
Use dbunload on the Windows Mobile device. This option is not available on smartphones.
The first three options are recommended when upgrading a Windows Mobile database. However, if these options are not available to you, you can use dbunload on Windows Mobile. Before deciding to use dbunload on Windows Mobile, you should consider the following implications of using dbunload on Windows Mobile:
the size of the database server's temporary file (both the unload and reload can cause this file to grow to several megabytes)
the extra space required for dbunload and related components
the extra cost of having multiple copies of a database on the Windows Mobile device
Because running dbunload on a Windows Mobile device can require more resources than some devices have available, upgrading the database on a different platform is recommended whenever possible.
If you want to run dbunload on a Windows Mobile device, you must choose the Unload/Reload Support option in the Deploy SQL Anywhere 12 for Windows Mobile Wizard. You can modify your SQL Anywhere installation to add this support if you did not select this option when you first installed SQL Anywhere for Windows Mobile.
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