You can read more about the performance benefits on this blog. Database operations are defined using the SQLiteOpenHelper: public class PostsDatabaseHelper extends SQLiteOpenHelper Note: If you are inserting a large number of records, you might want to use a compiled SQLiteStatement. We need to write our own class to handle database operations such as creation, upgrading, reading and writing. If you want to use SQLite directly but reduce the verbosity of working with the database, check out our Easier SQL with Cupboard guide for a middle ground between SQLite and a full-fledged ORM. Originally Answered: In Android, what is the difference between the functions query() and rawquery() in SQlite database Results are same in case of any of. In this guide, we'll use the example of building a database to persist user created 'Posts' to demonstrate SQLite and SQLiteOpenHelper. loop through the result set while (rs.For maximum control over local data, developers can use SQLite directly by leveraging SQLiteOpenHelper for executing SQL requests and managing a local database. String sql = 'SELECT id, name, capacity FROM warehouses' * select all rows in the warehouses table Issue SQL queries and inspect the results Examine a log of all SQL commands issued by the application Plot simple graphs based on table or query data. String url = 'jdbc:sqlite:C://sqlite/db/test.db' The following program selects all rows from the warehouses table. Finally, use the get* method of the ResultSet object such as getInt(), getString(), getDouble(), etc., to get the data in each iteration.After that, loop through the result set using the next() method of the ResultSet object.The executeQuery() method accepts a SELECT statement. Then, create an instance of the ResultSet class by calling the executeQuery method of the Statement object.Next, create an instance of the Statement class from the Connection object.First, create a Connection object to connect to the SQLite database.To query data from a table, you use the following steps: Summary: in this tutorial, you will learn how to query data from a table in the SQLite database using Java JDBC.

Sqlitedatabase query