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

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Preventing SQL Injection with Golang

Preventing SQL Injection with Golang

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8 min read
SQL Injection Isn't Dead Yet

SQL Injection Isn't Dead Yet

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6 min read
Integrate sqlite with Nodejs ! 🔥

Integrate sqlite with Nodejs ! 🔥

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Comments 1
2 min read
Mastering SQL Queries: A Comprehensive Guide for Beginners

Mastering SQL Queries: A Comprehensive Guide for Beginners

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2 min read
The best free database providers in 2024

The best free database providers in 2024

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Comments 1
5 min read
PostgreSQL index Correlation with UPDATE

PostgreSQL index Correlation with UPDATE

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17 min read
Como normalizar banco de dados?

Como normalizar banco de dados?

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2 min read
How to Transpose Columns in Each Group to a Single Row

How to Transpose Columns in Each Group to a Single Row

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2 min read
How to Replace a Null with the Corresponding Value in the Previous Record

How to Replace a Null with the Corresponding Value in the Previous Record

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1 min read
What is the Difference between "sequel" and "SQL"?

What is the Difference between "sequel" and "SQL"?

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1 min read
How to Split Attributes of Same Type in One Row and Convert Them into Multiple Rows

How to Split Attributes of Same Type in One Row and Convert Them into Multiple Rows

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2 min read
PostgreSQL with modern storage: what about a lower random_page_cost?

PostgreSQL with modern storage: what about a lower random_page_cost?

5
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11 min read
How to Convert Dates in One Group into An Interval

How to Convert Dates in One Group into An Interval

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2 min read
What is Querying a Database? Everything You Need to Know

What is Querying a Database? Everything You Need to Know

5
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2 min read
How to Calculate Median on Values That Have Corresponding Quantities

How to Calculate Median on Values That Have Corresponding Quantities

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2 min read
Building a REST API with FastAPI, Async SQLModel, and PostgreSQL

Building a REST API with FastAPI, Async SQLModel, and PostgreSQL

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1 min read
Harnessing SQL's PRECEDING and FOLLOWING: Advanced Data Analysis with Window Functions

Harnessing SQL's PRECEDING and FOLLOWING: Advanced Data Analysis with Window Functions

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8 min read
SQL Pro Tips : industrial Oracle SQL using WITH

SQL Pro Tips : industrial Oracle SQL using WITH

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4 min read
Understanding ON DELETE CASCADE and ON UPDATE CASCADE in SQL Foreign Key Relationships

Understanding ON DELETE CASCADE and ON UPDATE CASCADE in SQL Foreign Key Relationships

3
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3 min read
SQL Pro Tips : industrial GCP BigQuery SQL using WITH

SQL Pro Tips : industrial GCP BigQuery SQL using WITH

3
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5 min read
SQL Pro Tips : industrial AWS Athena SQL using WITH

SQL Pro Tips : industrial AWS Athena SQL using WITH

3
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4 min read
Understanding SQL vs. NoSQL Databases: A Beginner's Guide

Understanding SQL vs. NoSQL Databases: A Beginner's Guide

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2 min read
Expose your database as a REST API safely and without code

Expose your database as a REST API safely and without code

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3 min read
Retrieving the latest row per group from PostgreSQL

Retrieving the latest row per group from PostgreSQL

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10 min read
An Introduction to SQL Server Query Store

An Introduction to SQL Server Query Store

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3 min read
How come there are tens of thousands of tables in a database

How come there are tens of thousands of tables in a database

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5 min read
Integrating Predictive Analytics Models into SQL Queries

Integrating Predictive Analytics Models into SQL Queries

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14 min read
Streamlining SQL Queries with the WINDOW Keyword

Streamlining SQL Queries with the WINDOW Keyword

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2 min read
Mastering Performance Troubleshooting with sys.dm_exec_requests in Azure SQL

Mastering Performance Troubleshooting with sys.dm_exec_requests in Azure SQL

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2 min read
Finding Which Columns Value Has Actually Changed in PostgreSQL Trigger Functions

Finding Which Columns Value Has Actually Changed in PostgreSQL Trigger Functions

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2 min read
Move Fast and “Branch” Things

Move Fast and “Branch” Things

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8 min read
HackerRank SQL Preparation: Revising the Select Query I(MySQL)

HackerRank SQL Preparation: Revising the Select Query I(MySQL)

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1 min read
How to Back Up and Restore Azure SQL Databases

How to Back Up and Restore Azure SQL Databases

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8 min read
HackerRank SQL preparation; Revising the Select Query II(MySQL)

HackerRank SQL preparation; Revising the Select Query II(MySQL)

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1 min read
How To Master PostgreSQL Performance Like Never Before

How To Master PostgreSQL Performance Like Never Before

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14 min read
Simplify Database Migrations using Python with Alembic

Simplify Database Migrations using Python with Alembic

1
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7 min read
SQL MASTERY - P00 ( Introduction to SQL and It's Technicality

SQL MASTERY - P00 ( Introduction to SQL and It's Technicality

1
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2 min read
Manipulating Dates with SQL Server

Manipulating Dates with SQL Server

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5 min read
Learn SQL with PostgreSQL: Building a Budget Tracking Application

Learn SQL with PostgreSQL: Building a Budget Tracking Application

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5 min read
Unlock SQLite: Easy Data Analysis for Busy Software Engineers

Unlock SQLite: Easy Data Analysis for Busy Software Engineers

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1 min read
Las 15 Consultas SQL Desde Lo Más Básico Hasta Lo No Tan Básico

Las 15 Consultas SQL Desde Lo Más Básico Hasta Lo No Tan Básico

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3 min read
SQL subqueries: [Step-By-Step] Guide

SQL subqueries: [Step-By-Step] Guide

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4 min read
🤩 Free Oracle Database: Download, Install, Tutorial… My Getting Started Guide 🚀🦭🐳

🤩 Free Oracle Database: Download, Install, Tutorial… My Getting Started Guide 🚀🦭🐳

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3 min read
Optimizing PostgreSQL Trigger Execution: Balancing Precision with Control

Optimizing PostgreSQL Trigger Execution: Balancing Precision with Control

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3 min read
🚀Unlocking the Power of PostgreSQL GUI!🚀

🚀Unlocking the Power of PostgreSQL GUI!🚀

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1 min read
Dealing with duplicates

Dealing with duplicates

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3 min read
How to Connect to SQL Server in Java

How to Connect to SQL Server in Java

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1 min read
Understanding Pull Requests, Merge Requests, and dbForge Source Control for SQL Server

Understanding Pull Requests, Merge Requests, and dbForge Source Control for SQL Server

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1 min read
Harnessing the Power of MySQL: Building Robust Database Solutions for Web Applications

Harnessing the Power of MySQL: Building Robust Database Solutions for Web Applications

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3 min read
Stalactite ORM 2.0.0 is out ! 🚀

Stalactite ORM 2.0.0 is out ! 🚀

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1 min read
Personal Knowledge Graphs in Relational Model

Personal Knowledge Graphs in Relational Model

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5 min read
How to check the distribution of timestamps in a PostgreSQL table?

How to check the distribution of timestamps in a PostgreSQL table?

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3 min read
How to check if the PostgreSQL tables of the same structure have identical data using aggregated hash and md5?

How to check if the PostgreSQL tables of the same structure have identical data using aggregated hash and md5?

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2 min read
Unveiling the Power of Database-Side Rendering: Elevating Web Development Standards

Unveiling the Power of Database-Side Rendering: Elevating Web Development Standards

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2 min read
Optimizing PostgreSQL Queries with Function Volatility: Volatile, Stable, and Immutable

Optimizing PostgreSQL Queries with Function Volatility: Volatile, Stable, and Immutable

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3 min read
My Data Engineering Library

My Data Engineering Library

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2 min read
Building a Mermaid.js Gantt Chart in a FileMaker Web Viewer

Building a Mermaid.js Gantt Chart in a FileMaker Web Viewer

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5 min read
Unveiling Differences: A Deep Dive into Comparing Tables, Indexes, and Functions Across PostgreSQL Databases

Unveiling Differences: A Deep Dive into Comparing Tables, Indexes, and Functions Across PostgreSQL Databases

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7 min read
Primeros Pasos en SQL: La Piedra Angular de la Ingeniería de Datos

Primeros Pasos en SQL: La Piedra Angular de la Ingeniería de Datos

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2 min read
Wizard's Toolkit Demo

Wizard's Toolkit Demo

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2 min read
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