Reference describes the classes and functions this module defines. Tutorial teaches how to use the sqlite3 module. If you use Google Drive, and especially if you have shared drives with other people theres a good chance you have hundreds or even thousands of files that you may not be fully aware of. For background on this project, see Google Drive to SQLite on my blog. Below is a list of some popular SQLite dot commands. To check the list of dot commands use the. SQLite dot Commands: The dot commands are not terminated by a semicolon ( ). It provides an SQL interface compliant with the DB-API 2.0 specification described by PEP 249, and requires SQLite 3.7.15 or newer. Create a SQLite database containing metadata from Google Drive. Data Query Language (DQL): It includes only one command: SELECT: To retrieve certain records from one or more tables. For now, let's proceed to the next chapter. The sqlite3 module was written by Gerhard Hring. You can change the database by use of the. By default a transient in-memory database is opened. run the command ‘sqlite3’ This should open the SQLite shell and present a screen similar to that below. One of the main benefits of using SQLite is that it is very easy to get started with. Open a command prompt (cmd.exe) and ‘cd’ to the folder location of the SQLSAFI.sqlite database file. The API is implemented as a library of C functions that can be called from your program. 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. To use SQLite in a C/C++ program, you can use the sqlite3 API, which provides a lightweight, simple, self-contained, high-reliability, full-featured, and SQL database engine. 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 − Once a database is created, you can verify it in the list of databases using the following SQLite. 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 " " Here we use the special string, :memory:, which causes SQLite to make a temporary in-memory. Syntaxįollowing is the basic syntax of sqlite3 command to create a database: −Īlways, database name should be unique within the RDBMS. SQLite only needs one other argument: the path to the database. used to perform database operations on android devices such as storing, manipulating or retrieving. You do not need to have any special privilege to create a database. SQLite is an open-source relational database i.e. In SQLite, sqlite3 command is used to create a new SQLite database. This article introduces you to SQLite and the sqlite3 command so you can get familiar with the basics of how this database handles data.
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