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

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All Sub-queries in SQL

All Sub-queries in SQL

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2 min read
Difference between MySQL and PostgreSQL
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Difference between MySQL and PostgreSQL

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10 min read
[Rails] count vs length vs size with Samples and a Diagram

[Rails] count vs length vs size with Samples and a Diagram

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2 min read
Gather Oracle Stats for Schema, Table and Indexes
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Gather Oracle Stats for Schema, Table and Indexes

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2 min read
How to Query Spark Tables from Serverless SQL Pools in Azure Synapse
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How to Query Spark Tables from Serverless SQL Pools in Azure Synapse

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2 min read
Refactoring..(Part 3)

Refactoring..(Part 3)

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3 min read
A difficult backend problem I had to solve

A difficult backend problem I had to solve

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2 min read
SQL Injection: Understanding the Threat and How to Avoid It
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SQL Injection: Understanding the Threat and How to Avoid It

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4 min read
Metis Enables your teams to own their databases with ease
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Metis Enables your teams to own their databases with ease

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5 min read
Banking management system

Banking management system

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1 min read
Verifying Column Types in Your Database Schema

Verifying Column Types in Your Database Schema

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2 min read
How to Identify Tables Containing a Specific Column in PostgreSQL

How to Identify Tables Containing a Specific Column in PostgreSQL

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2 min read
Data Calculation Problems Based on Object-Event Schema

Data Calculation Problems Based on Object-Event Schema

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9 min read
SQL Server + Docker Compose: como criar e popular bancos de dados ao inicializar os containers
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SQL Server + Docker Compose: como criar e popular bancos de dados ao inicializar os containers

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5 min read
Python & SQL DJ Database

Python & SQL DJ Database

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3 min read
Don't worry! Deploy! Metis has your database covered.
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Don't worry! Deploy! Metis has your database covered.

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4 min read
Laravel Create Virtual Database Column

Laravel Create Virtual Database Column

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3 min read
Generar colores hexadecimales aleatorios con Postgres
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Generar colores hexadecimales aleatorios con Postgres

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2 min read
SQL VS NoSQL

SQL VS NoSQL

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2 min read
Diagnosing and Optimizing Running Slow SQL in GBase 8s Database

Diagnosing and Optimizing Running Slow SQL in GBase 8s Database

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3 min read
Postgres Arrays

Postgres Arrays

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4 min read
From Messy Data to Super Mario Pipeline: My First Adventure in Data Engineering
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From Messy Data to Super Mario Pipeline: My First Adventure in Data Engineering

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12 min read
Experience completing LeetCode SQL 50 (1/?)

Experience completing LeetCode SQL 50 (1/?)

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1 min read
PostgreSQL on steroids - how to ace your database configuration
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PostgreSQL on steroids - how to ace your database configuration

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8 min read
Unlock your career in data analytics 2024

Unlock your career in data analytics 2024

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1 min read
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