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Cover Image for What is the difference between single and double quotes in SQL?

What is the difference between single and double quotes in SQL?

updated a few hours ago

# What's the Deal with Single and Double Quotes in SQL? 🤔 So, you're delving into the mystical world of SQL and have stumbled upon a burning question - What's the deal with single and double quotes? Fear not, dear reader, for we shall unravel this myster

Matheus Mello
Matheus Mello
Cover Image for CAP theorem - Availability and Partition Tolerance

CAP theorem - Availability and Partition Tolerance

updated a few hours ago

📝 **Title: Understanding CAP Theorem: Demystifying Availability and Partition Tolerance** 👋 Hey there techies! 👩‍💻👨‍💻 Welcome back to my tech blog! Today, we are going to dive deep into the mysterious world of CAP theorem, specifically focusing on A

Matheus Mello
Matheus Mello
Cover Image for What is the difference between JOIN and UNION?

What is the difference between JOIN and UNION?

updated a few hours ago
join

# JOIN vs UNION: The Clash of Database Titans! 👥👥 Uh-oh, it's time for a rumble in the database jungle! 🌴Today, we are pitting two heavyweight SQL operators against each other: JOIN and UNION. 🥊💥So, what's the deal, you ask? What's the difference bet

Matheus Mello
Matheus Mello
Cover Image for What"s faster, SELECT DISTINCT or GROUP BY in MySQL?

What"s faster, SELECT DISTINCT or GROUP BY in MySQL?

updated a few hours ago
group-bymysql

📝 **MySQL: SELECT DISTINCT vs GROUP BY - Which is Faster?** If you're working with MySQL and need to retrieve unique values from a specific column, you might be wondering: should I use `SELECT DISTINCT` or `GROUP BY`? Let's dive into this problem to find

Matheus Mello
Matheus Mello
Cover Image for How can I modify the size of column in a MySQL table?

How can I modify the size of column in a MySQL table?

updated a few hours ago
mysql

# How to Modify the Size of a Column in a MySQL Table: A Step-by-Step Guide 😮 Have you ever found yourself in a situation where you created a MySQL table column with the wrong size? 😱 Don't worry, we've all been there! In this guide, I'll show you how t

Matheus Mello
Matheus Mello
Cover Image for How can I put a database under git (version control)?

How can I put a database under git (version control)?

updated a few hours ago

# How to Put a Database Under Git (Version Control) 🗂️🔀 So, you're working on a web app and you need to make some major changes that require modifications to your database schema. Now, you're wondering how you can put the entire database under version c

Matheus Mello
Matheus Mello
Cover Image for How big can a MySQL database get before performance starts to degrade

How big can a MySQL database get before performance starts to degrade

updated a few hours ago
mysql

# 📊 How Big Can a MySQL Database Get Before Performance Starts to Degrade? 🚀 <p>Ever wondered how big your MySQL database can get before it starts to slow down? You're not alone! Many databases grow over time, and it's important to understand the tippin

Matheus Mello
Matheus Mello
Cover Image for Is there any boolean type in Oracle databases?

Is there any boolean type in Oracle databases?

updated a few hours ago
boolean

# 🤔 Oracle Databases: Is There a Boolean Type? If you've ever worked with Oracle databases and wondered if there is a Boolean type, similar to the `BIT` datatype in MS SQL Server, you're not alone. Many developers have encountered this question and stru

Matheus Mello
Matheus Mello
Cover Image for Can table columns with a Foreign Key be NULL?

Can table columns with a Foreign Key be NULL?

updated a few hours ago
mysql

# Can table columns with a Foreign Key be NULL? 🤔 We've all been faced with the challenge of designing our database tables and setting up relationships between them. One common question that often arises during this process is whether table columns with

Matheus Mello
Matheus Mello
Cover Image for What are the differences between B trees and B+ trees?

What are the differences between B trees and B+ trees?

updated a few hours ago
data-structures

# B Trees vs B+ Trees: Understanding the Key Differences 🌳🌱🔑 Are you familiar with the concepts of B trees and B+ trees? 🤔 If not, don't worry! In this blog post, we will unravel the mysteries 🧐 behind these two types of tree data structures and expl

Matheus Mello
Matheus Mello