Is it necessary to install SQLite or it is pre installed in ANDROID?

Hello Everyone I'm really new bee in android and for that I'm confused to play with database. Let me come to the point, Actual I'm trying to save my form detail in database, but here I dnt know will I have to install database for that or it is installed while installing android SDK... Please HELP Thanks a lot.

It is pre-installed - you can directly use it from your tools. THere is a way to store a pre-populated db in the assets/ folder that can then be copied over.

See also http://developer.android.com/guide/topics/data/data-storage.html#db