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

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PostgreSQL: Transactions, Locks, and Why Serializable Fails

PostgreSQL: Transactions, Locks, and Why Serializable Fails

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7 min read
9 Data Engineering Challenges That Kill Pipelines in Production (And How I approached Them With Pure Snowflake SQL)

9 Data Engineering Challenges That Kill Pipelines in Production (And How I approached Them With Pure Snowflake SQL)

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14 min read
PostgreSQL EXPLAIN ANALYZE: Reading Query Plans Like a Pro

PostgreSQL EXPLAIN ANALYZE: Reading Query Plans Like a Pro

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4 min read
Connecting Power BI to SQL Databases: A Complete Guide

Connecting Power BI to SQL Databases: A Complete Guide

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3 min read
TimescaleDB Continuous Aggregates: Real-Time vs Materialized-Only

TimescaleDB Continuous Aggregates: Real-Time vs Materialized-Only

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4 min read
CA 27 - Isolation

CA 27 - Isolation

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2 min read
SQL JOINS AND WINDOW FUNCTIONS

SQL JOINS AND WINDOW FUNCTIONS

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2 min read
Clusters & Notebooks: Your Databricks Workspace Explained

Clusters & Notebooks: Your Databricks Workspace Explained

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5 min read
How I turned approved SQL into governed business KPIs

How I turned approved SQL into governed business KPIs

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4 min read
Building a Lightweight SQL Formatter with FastAPI and sqlparse

Building a Lightweight SQL Formatter with FastAPI and sqlparse

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2 min read
CREATE INDEX CONCURRENTLY: The Complete PostgreSQL Guide

CREATE INDEX CONCURRENTLY: The Complete PostgreSQL Guide

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5 min read
A Evolução do Modelo Relacional para Objeto-Relacional

A Evolução do Modelo Relacional para Objeto-Relacional

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5 min read
SQL Joins and Window Functions

SQL Joins and Window Functions

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10 min read
Understanding Data Modelling in Power BI: Joins, Relationships, and Schemas Explained

Understanding Data Modelling in Power BI: Joins, Relationships, and Schemas Explained

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4 min read
How to Safely Add a Column with a Default Value in PostgreSQL

How to Safely Add a Column with a Default Value in PostgreSQL

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5 min read
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