You can perform restoration from the generated testDB.sql in a simple way as follows −Īt this moment your database is empty, so you can try above two procedures once you have few tables and data in your database. The above command will convert the entire contents of testDB.db database into SQLite statements and dump it into ASCII text file testDB.sql. dump dot command to export complete database in a text file using the following SQLite command at the command prompt. quit command to come out of the sqlite prompt as follows − And you also need to put in two methods: on Create() and. In order to create a Database helper, we create a class that would extend SQLiteOpenHelper. For now I am only going to define three database operations: Create, Read and Update.
Call createDatabase () method in your MainActivity (which is first in your app, launcher activity). In Android we need to set up a database helper which will help in performing operations on the database.
Once a database is created, you can verify it in the list of databases using the following SQLite. Create database in SQLite browser (like SQLite Maestro), copy your database in assets folder in your project. If you have noticed while creating database, sqlite3 command will provide a sqlite> prompt after creating a database file successfully. This file will be used as database by SQLite engine. The above command will create a file testDB.db in the current directory. If you want to create a new database, then SQLITE3 statement would be as follows −Įnter SQL statements terminated with a " "
The APIs you'll need to use a database on Android are available in the package. This page assumes that you are familiar with SQL databases in general and helps you get started with SQLite databases on Android. Syntaxįollowing is the basic syntax of sqlite3 command to create a database: −Īlways, database name should be unique within the RDBMS. Saving data to a database is ideal for repeating or structured data, such as contact information. You do not need to have any special privilege to create a database. In SQLite, sqlite3 command is used to create a new SQLite database.