Mastering SQL Diversity

A Comprehensive Guide to Database System Differences with Practical Queries

Emmanuellucy
6 min readDec 29, 2023

Get the knowledge needed to unravel the tales of SQL diversity — from MySQL’s reliability to PostgreSQL’s creativity, discover the perfect fit for your data journey.

Introduction

SQL (Structured Query Language): SQL is a specialized language for managing relational databases, offering standardized commands for tasks like querying, updating, and manipulating data.

Databases: Databases are structured collections of data, often organized into tables in relational databases. They serve as efficient systems for storing, retrieving, and managing data. Examples include MySQL, PostgreSQL, SQL Server, Oracle, SQLite (relational databases), and MongoDB, and more.

Photo by Jukan Tateisi on Unsplash

Let us begin…

The enthusiasm for learning SQL has recently gained importance, but the diversity one might encounter in the process is often overlooked. There’s a common assumption that all SQL syntax can be executed in any environment, but unfortunately, this is not the case.

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Emmanuellucy

Documenting my journey as a Data Operations Analyst, transitioning into Data Science space. Let’s talk career, mental health, and more!