![]() ![]() This method accepts a single optional parameter cursorClass. ![]() This routine creates a cursor which will be used throughout of your database programming with Python. You can specify filename with the required path as well if you want to create a database anywhere else except in the current directory. ![]() If the given database name does not exist then this call will create the database. The default for the timeout parameter is 5.0 (five seconds). The timeout parameter specifies how long the connection should wait for the lock to go away until raising an exception. When a database is accessed by multiple connections, and one of the processes modifies the database, the SQLite database is locked until that transaction is committed. If database is opened successfully, it returns a connection object. You can use ":memory:" to open a database connection to a database that resides in RAM instead of on disk. This API opens a connection to the SQLite database file. If you are looking for a more sophisticated application, then you can look into Python sqlite3 module's official documentation. Python sqlite3 module APIsįollowing are important sqlite3 module routines, which can suffice your requirement to work with SQLite database from your Python program. To use sqlite3 module, you must first create a connection object that represents the database and then optionally you can create a cursor object, which will help you in executing all the SQL statements. You do not need to install this module separately because it is shipped by default along with Python version 2.5.x onwards. It provides an SQL interface compliant with the DB-API 2.0 specification described by PEP 249. SQLite3 can be integrated with Python using sqlite3 module, which was written by Gerhard Haring. In this tutorial, we have introduced you to the chinook SQLite sample database and showed you how to connect to it using the sqlite3 tool.In this chapter, you will learn how to use SQLite in Python programs. tablesĬustomers invoice_items playlist_track Code language: SQL (Structured Query Language) ( sql ) tables to view all the tables available in the sample database. You should see the following command: sqlite> Code language: Shell Session ( shell ) c:\sqlite>sqlite3 c:\sqlite\db\chinook.db Code language: Shell Session ( shell ) Second, use the following command to connect to the chinook sample database located in the db folder, which is a subfolder of the sqlite folder. If you don’t have zip software installed, you can download a free zip software such as 7-zip.įirst, use the command line program and navigate to the SQLite directory where the sqlite3.exe file is located: c:\sqlite> Code language: Shell Session ( shell ) The sample database file is ZIP format, therefore, you need to extract it to a folder, for example, C:\sqlite\db. In case you want to have the database diagram for reference, you can download both black&white and color versions in PDF format.ĭownload SQLite sample database diagram with color How to connect to SQLite sample database You can download the SQLite sample database using the following link. The playlist_track table is used to reflect this relationship. The relationship between the playlists table and tracks table is many-to-many. Each track may belong to multiple playlists. playlists & playlist_track tables: playlists table store data about playlists.tracks table stores the data of songs.genres table stores music types such as rock, jazz, metal, etc.media_types table stores media types such as MPEG audio and AAC audio files.However, one artist may have multiple albums. albums table stores data about a list of tracks.It is a simple table that contains only the artist id and name. The invoices table stores invoice header data and the invoice_items table stores the invoice line items data. invoices & invoice_items tables: these two tables store invoice data.It also has a field named ReportsTo to specify who reports to whom. employees table stores employees data such as employee id, last name, first name, etc.There are 11 tables in the chinook sample database. The following database diagram illustrates the chinook database tables and their relationships. We provide you with the SQLite sample database named chinook. The chinook sample database is a good database for practicing with SQL, especially SQLite. ![]() Introduction to chinook SQLite sample database At the end of the tutorial, we will show you how to connect to the sample database using the sqlite3 tool. Then, we will give you the links to download the sample database and its diagram. Summary: in this tutorial, we first introduce you to an SQLite sample database. ![]()
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