sqlite3 python library

sqlite3 is a lightweight, serverless, self-contained sql database engine. it is widely used in applications where a simple, embedded database solution is needed. in python, sqlite3 comes bundled with the standard library, making it readily available for use without any additional installations.
in this tutorial, we will cover the basics of using the sqlite3 python library to perform common database operations such as creating a database, creating tables, inserting data, querying data, updating data, and deleting data.
first, ensure that you have python installed on your system. sqlite3 is part of the python standard library, so you do not need to install it separately.
to create a sqlite database and establish a connection to it using python, follow these steps:
to create a table in the sqlite database, you can execute a sql create table statement using the cursor object. here's an example of creating a table named users with three columns: id, name, and age.
to insert data into the users table, you can execute sql insert into statements. here's an example of inserting a user record into the table.
to retrieve data from the database, you can execute sql select statements. here's an example of querying all records from the users table.
to update existing data in the database, you can execute sql update statements. here's an example of updating the age of a user with a specific id.
to delete data from the database, you can execute sql delete from statements. here's an example of deleting a user with a specific id.
after performing all database operations, it is important to close the connection to the database.
in this tutorial, we have covered the basics of using the sqlite3 python library to perform various database operations. you can further explore sqlite3 documentation and experiment with more advanced features such as transactions, constraints, and indexing to build robust database-driven applications using python.
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