[android-developers] Development cycle without losing database?

I use this script to test my app after making changes:

if ant debug; then
adb uninstall com.rcsreg.exposmart
adb -d install bin/ExpoSmart-debug.apk
adb shell am start -n com.rcsreg.exposmart/com.rcsreg.exposmart.ExpoSmart
adb -d logcat
fi

I appears that when I do the adb uninstall, my database is getting
puffed. I'd like to keep the database from app version to app version.
If I don't do the adb uninstall, I get an error:

Failure [INSTALL_FAILED_ALREADY_EXISTS]

Is there another way to keep upgrading my app without losing
the database?

Thanks,

Tobiah

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