MySQL

Working with dates and times is a core part of data analysis. Numerous built-in functions in SQL facilitate the extraction, manipulation, and computation of date and time variables. Let’s go through the most useful Date and Time Functions one by one with clear examples. Introduction 1. NOW() or CURRENT_TIMESTAMP() This gives both the date and … Read more

Introduction In 2025, data analytics is all about timing — literally. Every click, purchase, signup, or event is tied to a timestamp. For analysts working with MySQL, date and time functions are essential tools to transform raw timestamps into business insights. Mastering these functions means you can answer questions like: If you want to level … Read more

Introduction In the SQL world, especially in MySQL, window functions are powerful tools for analytics. Among these, RANK(), DENSE_RANK(), and ROW_NUMBER() are three commonly used functions to assign rankings to rows. But they don’t behave the same way — and picking the wrong one can mess up your results. Let’s break them down so you … Read more

Your data can be accessed through the SELECT FROM statement. If you ever need to read, display, or analyze data — you’ll likely be writing a SELECT query. 📌 Basic Syntax of SELECT FROM This is the SQL SELECT FROM statement’s basic format: SELECT column1, column2 FROM table_name; Saying, “Bring me these columns from this … Read more

In this tutorial, you will learn how to install MySQL Server and its group of supporting components on a Windows computer using the MySQL Installer, a simplified tool for easy installation. Upon traversing this walkthrough, your system shall stand equipped with the MySQL Server, accompanied by vital tools, poised for experiential exploration and analytical deep … Read more

Structured Query Language (SQL) is used by MySQL, a relational database management system (RDBMS), to effectively store, manage, and retrieve data. A key component of contemporary web applications and enterprise solutions, it was first created by MySQL AB and then purchased by Oracle Corporation. Its open-source nature, which permits developers to freely access, alter, and … Read more