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After deploying my application into android mobile,at starting the database is getting created. I do want to delete database tables in mobile.How to do that in mobile..

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  • we can't help unless you post your code. Commented Dec 21, 2011 at 6:13

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12

u can delete database manually by clear Data. 

settings\applications\manage Applications\'select your application'\clear data.
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this will delete more than the database.
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If you use Room Persistence Library, then try to do the following (but maybe it also will work for other libraries, I haven't checked).

In Android Studio open View -> Tool Windows -> Device File Explorer. Then in the Device File Explorer:

  1. Choose your device.
  2. In the file tree navigate to /data/data/{your_package_name}/databases.
  3. Delete files which names match your database name (you give a name to your database when you build RoomDatabase in your code). In my case it's my_app.db.

Here's a screenshot:

Here's a screenshot

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2

There is a function to delete DB :

https://developer.android.com/reference/android/content/Context.html#deleteDatabase(java.lang.String)

context.deleteDatabase(dbFileName)

It's that short...

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