3/20/2024 0 Comments Clear database sqlite android![]() Now, COMPANY table is truncated completely and nothing will be the output from SELECT statement. Android SQLite Database Tutorial How to Delete Data from SQLite Database Android studio 5 Foxandroid 16.1K subscribers Join Subscribe 1. with Android use the System.IO.File.Delete () method. Leverage the methods tailored to the specific OS so you can delete the file. ExampleĬonsider COMPANY table with the following records.įollowing is the example to truncate the above table − sqlite3 tempfile (where tempfile is the name of the file) sqlite> SELECT FROM sqlitemaster WHERE typetable Then press ctrl-d to exit. Thats why database is considered to be a persistent storage. Therefore, your app can be killed or the phone rebooted and your database persists. If you are using DELETE TABLE command to delete all the records, it is recommended to use VACUUM command to clear unused space. The database is deleted only when your app is deleted, the user clears the data associated with it or you do it programmatically. Syntaxįollowing is the basic syntax of DELETE command.įollowing is the basic syntax of DROP TABLE. ![]() ![]() The result will look similar to the following: database, you can open its existing file by using the. In the previous articles, we have seen three operations of CRUD operations such as create, read and update operations in our Android app. Unfortunately, we do not have TRUNCATE TABLE command in SQLite but you can use SQLite DELETE command to delete complete data from an existing table, though it is recommended to use DROP TABLE command to drop the complete table and re-create it once again. To begin, start a new SQLite shell by typing into your command prompt.
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