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

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How to simplify nested SQL in applications with esProc

How to simplify nested SQL in applications with esProc

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4 min read
DAY-7 PRIMARY KEY,FOREIGN KEY,INDEX,TRANSACTION

DAY-7 PRIMARY KEY,FOREIGN KEY,INDEX,TRANSACTION

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2 min read
Practical SQL Injection Exploitation Cheat Sheet - @verylazytech

Practical SQL Injection Exploitation Cheat Sheet - @verylazytech

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3 min read
Mastering System Analysis and Architecture: A Comprehensive Guide

Mastering System Analysis and Architecture: A Comprehensive Guide

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6 min read
Top Websites for Learning Back-End Development in 2025

Top Websites for Learning Back-End Development in 2025

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5 min read
How to Optimize SQL Queries for Speed and Efficiency

How to Optimize SQL Queries for Speed and Efficiency

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5 min read
How I Migrate My Clients’ SQL Databases To DynamoDB

How I Migrate My Clients’ SQL Databases To DynamoDB

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3 min read
Calculate the Number of Intersections between Adjacent Subsets after Grouping — From SQL to SPL #14

Calculate the Number of Intersections between Adjacent Subsets after Grouping — From SQL to SPL #14

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2 min read
Desvendando SQL: Procedures

Desvendando SQL: Procedures

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2 min read
INTRODUCTION TO DATA ANALYTICS

INTRODUCTION TO DATA ANALYTICS

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2 min read
Some Random SQL Error Handling Techniques for Reliability and Transactional Integrity

Some Random SQL Error Handling Techniques for Reliability and Transactional Integrity

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7 min read
SQL Injection

SQL Injection

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1 min read
Install psql in WSL

Install psql in WSL

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1 min read
Making Power BI and MySQL Work Together—Easily

Making Power BI and MySQL Work Together—Easily

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3 min read
Getting JSON from SQL

Getting JSON from SQL

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3 min read
Optimising Database Performance Using Dapper

Optimising Database Performance Using Dapper

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3 min read
Guide to MySQL Constraints

Guide to MySQL Constraints

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3 min read
SQLite Database GUI Tool | Design and Visualize with DbSchema

SQLite Database GUI Tool | Design and Visualize with DbSchema

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4 min read
DAY6 PSQL Using Difference types of keys

DAY6 PSQL Using Difference types of keys

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3 min read
Pair and Transpose Adjacent Records within the Group - From SQL to SPL #13

Pair and Transpose Adjacent Records within the Group - From SQL to SPL #13

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2 min read
Data Analysis Using SQL

Data Analysis Using SQL

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2 min read
Aplicação 397x mais rápida com desnormalização

Aplicação 397x mais rápida com desnormalização

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3 min read
DAY5 OF PSQL Using Join Query

DAY5 OF PSQL Using Join Query

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2 min read
Your Need to Review Your Data Changes

Your Need to Review Your Data Changes

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4 min read
Calculate a Pair of Minimum Values that Meet the Criteria within the Group — From SQL to SPL #12

Calculate a Pair of Minimum Values that Meet the Criteria within the Group — From SQL to SPL #12

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