In this tutorial, you’ll build a small web application that demonstrates how to use SQLite with Flask to perform basic data manipulation covering CRUD: Create, Read, Update, and Delete. The web application will be a basic blog that displays posts on the index page. Users can create, edit,...
Sometimes, you may want to completely drop your existing database and create a new one. This method is more drastic and should be used with caution, especially in production environments. Here’s how to do it: Access your database management system (like PostgreSQL, MySQL, or SQLite). ...
In this tutorial, you’ll build a small web blog using Flask andSQLitein Python 3. Users of the application can view all the posts in your database and click on the title of a post to view its contents with the ability to add a new post to the database and edit or delete an e...
This function’s sole purpose is to create a table in the database. Using this function, we can add and delete objects. Further explanation will be provided below. Each query generates a session ID, which is used as the holding zone for the data to facilitate future reference. In simple ...
1.Open pgAdmin and go to “Servers” in the left pane and right-click on “Servers” and choose “Create” > “Server“. 2.In the “Create – Server” dialog, enter a name for your server and go to the “Connection” tab and enterlocalhostas the host, and the username (postgres) ...
and have the functionality to create the templates of the pages. There is no need to go and manipulate SQL as the admin site provided in Django can directly be used to connect to the database. It comes along with a huge set of libraries that can be used for built-in functionalities. ...
For learning purposes, I’m going to useSQLite, a small SQL database implementation which very easy to get up and running. Keep in mind that you might want to consider a more reliable database likePostgreSQLorMySQLin production environment. ...
To create a user interface for your app, you will need to use HTML, CSS, and JavaScript. For the database, you have many options to choose from; you can use a relational database management system (RDBMS) like SQLite, MySQL, or PostgreSQL. You can use SQLAlchemy, an ORM (object-rela...
In this next example, you’ll write your data to a database called data.db. To get started, you’ll need the SQLAlchemy package. To learn more about it, you can read the official ORM tutorial. You’ll also need the database driver. Python has a built-in driver for SQLite. ...
In this article, I’ll walk you through my perfect pipeline to use at the beginning of your project. With my pipeline, every push is tested, the master branch is deployed to staging with a fresh database dump from production, and versioned tags are deployed to production with back-ups ...