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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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Database Normalization
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Database Normalization

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3 min read
Cursor +Trigger
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Cursor +Trigger

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2 min read
normalization

normalization

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2 min read
Indexing, Hashing, and Query
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Indexing, Hashing, and Query

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1 min read
From JSONB to Bitmasks: Faster Flags & Cleaner RLS in Postgres with Go/TS
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From JSONB to Bitmasks: Faster Flags & Cleaner RLS in Postgres with Go/TS

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6 min read
Transactions, Deadlocks & Log Based Recovery

Transactions, Deadlocks & Log Based Recovery

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1 min read
MySQL Path: 4 Hands-On Challenges for Data Entry, User Management, Multi-Table Queries & Sales Analysis
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MySQL Path: 4 Hands-On Challenges for Data Entry, User Management, Multi-Table Queries & Sales Analysis

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2 min read
MySQL ALTER TABLE: A Developer’s Guide to Schema Changes
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MySQL ALTER TABLE: A Developer’s Guide to Schema Changes

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2 min read
Find the difference

Find the difference

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1 min read
The Backbone of Database Reliability: Exploring ACID in Action with SQL Transactions A Step-by-Step Guide
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The Backbone of Database Reliability: Exploring ACID in Action with SQL Transactions A Step-by-Step Guide

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3 min read
Database Normalization in SQL — 1NF, 2NF, and 3NF Explained (Student–Course Case Study)
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Database Normalization in SQL — 1NF, 2NF, and 3NF Explained (Student–Course Case Study)

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3 min read
The First Production Performance Problem I Faced (and How I Solved It)
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The First Production Performance Problem I Faced (and How I Solved It)

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2 min read
Comparative guide for SQL Subqueries vs CTEs vs Temp Tables vs Views vs Materialized Views in AWS Aurora
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Comparative guide for SQL Subqueries vs CTEs vs Temp Tables vs Views vs Materialized Views in AWS Aurora

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5 min read
PostgreSQL Advanced Queries & Data Types: A Practical Guide to Robust Data Management
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PostgreSQL Advanced Queries & Data Types: A Practical Guide to Robust Data Management

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3 min read
Day 5: Advanced SELECT Queries and JOINs

Day 5: Advanced SELECT Queries and JOINs

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3 min read
5 Steps to Optimize MySQL Deep Pagination
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5 Steps to Optimize MySQL Deep Pagination

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4 min read
Building Trust in a Digital World: Why Transparency is Your Greatest Asset
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Building Trust in a Digital World: Why Transparency is Your Greatest Asset

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4 min read
Day 4: Inserting Data and Basic CRUD Operations

Day 4: Inserting Data and Basic CRUD Operations

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3 min read
📘 Database Normalization Example (1NF 3NF) with SQL in Oracle Live SQL

📘 Database Normalization Example (1NF 3NF) with SQL in Oracle Live SQL

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2 min read
Busca de um valor em todas as tabelas e colunas no PostgreSQL 🐘
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Busca de um valor em todas as tabelas e colunas no PostgreSQL 🐘

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2 min read
I turned CSS in a SQL Database
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I turned CSS in a SQL Database

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3 min read
TRANSACTIONS , DEADLOCKS AND LOG BASED RECOVERY
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TRANSACTIONS , DEADLOCKS AND LOG BASED RECOVERY

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2 min read
🚀 How I Learned That Thinking “Small” Can Save Hours of SQL Headaches
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🚀 How I Learned That Thinking “Small” Can Save Hours of SQL Headaches

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2 min read
MySQL Shutdown Unexpectedly: Causes and Fixes for Developers
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MySQL Shutdown Unexpectedly: Causes and Fixes for Developers

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2 min read
SQL Query Optimization for Beginners

SQL Query Optimization for Beginners

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2 min read
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