Database Indexing: The Performance Trick Nobody Explained Properly Your queries are slow because you don’t understand indexes. Let’s fix that in 15 minutes. Databases
Django select_related and prefetch_related Complete Guide This article will reveal advanced techniques for optimizing database queries, specifically on Django, and their impact on query performance. Django Databases
Django’s select_related Didn’t Fix My N+1 Queries Wrong optimization makes queries worse Django Databases
Django’s @atomic Decorator Didn’t Prevent My Race Condition The insane reality where wrapping everything in @transaction.atomic still allows two users to book the same seat, and “all or nothing” doesn’t mean “one at a time.” Django Databases
How show raw SQL queries for your django queries or querysets Django ORM makes querying the database easier. But how to know what is happening behind the scenes or what SQL query is executed for certain django query. Here are some ways that might be useful to know that. Django Databases
Relational Databases Explained How Relational Databases Work. This post talks about how indexes and transactions work on the inside of relational databases. Architecture Databases
Database Sharding Explained More features, active users, and data are collected daily. Your database is slowing your application. Many people don't understand database sharding, which could solve their difficulties. This article explains database sharding, its benefits, including how to use it and when not to. Architecture Databases
Better SQLAlchemy In this article, I will dive into the world of SQLAlchemy, uncovering the best practices for optimizing database interactions in Python applications. From designing efficient data models to managing transactions, I will guide you through a range of techniques that will help you build scalable and high-performing applications. Python Databases Development
Database integration tests with Pytest, SQLAlchemy and Factory Boy with Faker In this little example, I’m going to show a possible procedure to easily test your piece of code that interacts with a database. Python Development Databases
How to delete or remove a MySQL/MariaDB user account on Linux/Unix In this quick tutorial, you will learn how to delete ore remove user account in MySQL or MariaDB database on Linux or Unix-like system. Databases
Advanced SQLAlchemy Features You Need To Start Using If you are Python developer and you work with SQL databases, then SQLAlchemy is most likely a library you are familiar with. It’s a powerful, yet flexible toolkit for working with SQL in Python with lots of features. Some of these features like ORM and basic queries are common knowledge, but there are quite a few features you might not know about and should definitely be taking advantage of. So, let’s se how to leverage things like hybrid properties, nested queries, table metadata, dialects and more! Python Development Databases
Raw SQL vs Query Builder vs ORM After reading this article, you will know when to use raw SQL, a query builder and an ORM. You will also know how to use each of them in Python. All of the code in this article is runnable. You just need to initialize the database and add environment variables. Python Development Databases
