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Editorial Team
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Asked: 2026-05-16T01:44:36+00:00

I’m looking to implement my first Android database, but I have so many questions

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I’m looking to implement my first Android database, but I have so many questions which (I believe) are unanswered by all the tutorials I find.

Here are my needs:
– I want my application to have a database that is persistent. If my application closes and launches again, there is already a database to pull data from. It does not create a new database every time the application is killed and re-launched.
– I want to implement versioning. Say version 1 of my application has a few tables. I release version 2 and I want some sort of script to run to add new tables I’ve added or modify old tables I’ve added; and so on and so forth. The application has to know whether the database is at a particular version (which means I’ll need a table in the database) so it knows whether to run this script.

Could someone provide me with some resources so I can figure out how to do what I need? Thank you

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1 Answer

  1. Editorial Team

    Look for sqlite+android+tutorial:

    http://www.hdelossantos.com/2009/12/23/creating-a-sqlite-database-in-android/

    http://www.hdelossantos.com/2010/01/07/using-a-sqlite-database-in-android/

    and some more:

    http://www.google.com.hk/search?sourceid=chrome&ie=UTF-8&q=android+sqlite+tutorial

    There is also a sample in the sample programs that come with the SDK, i.e. the Notepad app.

    And the official developer api doc – but that’s more as a reference, not as tutorial:
    http://developer.android.com/reference/android/database/sqlite/package-summary.html

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