String username = resultSet.getString(0)
We can move the cursor forward and retrieve the data.Ĭursor resultSet = mydatbase.rawQuery("Select * from TutorialsPoint",null) We will call a method of this class called rawQuery and it will return a resultset with the cursor pointing to the table. We can retrieve anything from database using an object of the Cursor class.
#Sqlite database example update#
This method not only insert data, but also used to update or modify already existing data in database using bind arguments Another method that also does the same job but take some additional parameter is given below Sr.No This will insert some values into our table in our database. Mydatabase.execSQL("INSERT INTO TutorialsPoint VALUES('admin','admin') ") Mydatabase.execSQL("CREATE TABLE IF NOT EXISTS TutorialsPoint(Username VARCHAR,Password VARCHAR) ") We can create table or insert data into table using execSQL method defined in SQLiteDatabase class. This method is similar to above method but it takes the File object as a path rather then a string. OpenOrCreateDatabase(File file, SQLiteDatabase.CursorFactory factory) This method is equivalent to openDatabase method. It not only opens but create the database if it not exists. OpenOrCreateDatabase(String path, SQLiteDatabase.CursorFactory factory) It is similar to the above method as it also opens the existing database but it does not define any handler to handle the errors of databases OpenDatabase(String path, SQLiteDatabase.CursorFactory factory, int flags) The common flags mode could be OPEN_READWRITE OPEN_READONLY
This method only opens the existing database with the appropriate flag mode. OpenDatabase(String path, SQLiteDatabase.CursorFactory factory, int flags, DatabaseErrorHandler errorHandler)
SQLiteDatabase mydatabase = openOrCreateDatabase("your database name",MODE_PRIVATE,null) Īpart from this, there are other functions available in the database package, that does this job. It returns an instance of SQLite database which you have to receive in your own object.Its syntax is given below In order to create a database you just need to call this method openOrCreateDatabase with your database name and mode as a parameter. The main package is that contains the classes to manage your own databases Database - Creation In order to access this database, you don't need to establish any kind of connections for it like JDBC,ODBC e.t.c Database - Package SQLite supports all the relational database features.
#Sqlite database example android#
Android comes in with built in SQLite database implementation. SQLite is a opensource SQL database that stores data to a text file on a device.
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