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

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The main methods of joining tables in PostgreSQL.

The main methods of joining tables in PostgreSQL.

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3 min read
How to avoid N+1 query using SQL views (materialized) in Rails application

How to avoid N+1 query using SQL views (materialized) in Rails application

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3 min read
Oracle SQL vs MySQL: A Comprehensive Comparison

Oracle SQL vs MySQL: A Comprehensive Comparison

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3 min read
Mastering Oracle SQL Interview Questions: Tips and Answers

Mastering Oracle SQL Interview Questions: Tips and Answers

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2 min read
Multi-Tenant SaaS Architecture - Database Per Tenant

Multi-Tenant SaaS Architecture - Database Per Tenant

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6 min read
Visualização automática de esquemas de databases do Sqlite

Visualização automática de esquemas de databases do Sqlite

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7 min read
Crash on clock skew: performance vs availability

Crash on clock skew: performance vs availability

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7 min read
Fetching Data (Next.js)

Fetching Data (Next.js)

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2 min read
Foreign-key pre-join

Foreign-key pre-join

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5 min read
⚡️ Gowebly CLI now supports the PocketBase framework

⚡️ Gowebly CLI now supports the PocketBase framework

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2 min read
Introdução aos Princípios do SQL: Fundamentos Teóricos e Práticos

Introdução aos Princípios do SQL: Fundamentos Teóricos e Práticos

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17 min read
OLAP: CUBE, ROLLUP, AND GROUPING SETS

OLAP: CUBE, ROLLUP, AND GROUPING SETS

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4 min read
Advisory/Custom/Application Lock with YugabyteDB

Advisory/Custom/Application Lock with YugabyteDB

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5 min read
Journey to modern databases

Journey to modern databases

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9 min read
DynamoDB Query Evaluation Order Differs from SQL

DynamoDB Query Evaluation Order Differs from SQL

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2 min read
SQL Join Types Explained: Inner, Outer, and More in 2024

SQL Join Types Explained: Inner, Outer, and More in 2024

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2 min read
Streamlining Node Property Data Retrieval in Umbraco: A Quick Guide

Streamlining Node Property Data Retrieval in Umbraco: A Quick Guide

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2 min read
SQL's LIKE, ILIKE, and NOT LIKE: Beginner's Breakdown

SQL's LIKE, ILIKE, and NOT LIKE: Beginner's Breakdown

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2 min read
A lightweight YugabyteDB docker image for CI/CD

A lightweight YugabyteDB docker image for CI/CD

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2 min read
Dimension alignment

Dimension alignment

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4 min read
Top 10 most asked SQL interview questions along with their answers

Top 10 most asked SQL interview questions along with their answers

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3 min read
How does Wave Analytics handle data from external databases in PostgreSQL?

How does Wave Analytics handle data from external databases in PostgreSQL?

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3 min read
Using T-SQL To Generate Large Amounts Of Test Data

Using T-SQL To Generate Large Amounts Of Test Data

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1 min read
Understanding JDBC Three-Tier Architecture: A Detailed Overview

Understanding JDBC Three-Tier Architecture: A Detailed Overview

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3 min read
Complete Guide To Transaction Isolation Levels in SQL

Complete Guide To Transaction Isolation Levels in SQL

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7 min read
Common Table Expressions (CTEs) in SQL

Common Table Expressions (CTEs) in SQL

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1 min read
Flask and APIs

Flask and APIs

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3 min read
Exploring SQL Functions: Harnessing the Power of Built-in Functions

Exploring SQL Functions: Harnessing the Power of Built-in Functions

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3 min read
Are There “Queries over Trillion-Row Tables in Seconds”? Is “N-Times Faster Than ORACLE” an Exaggeration?

Are There “Queries over Trillion-Row Tables in Seconds”? Is “N-Times Faster Than ORACLE” an Exaggeration?

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4 min read
Scheduling a BigQuery SQL script, using Apache Airflow, with an example

Scheduling a BigQuery SQL script, using Apache Airflow, with an example

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2 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
Exploring Advanced SQL Techniques: Aggregation Methods for Structured Data Retrieval

Exploring Advanced SQL Techniques: Aggregation Methods for Structured Data Retrieval

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4 min read
SQL Server Basics

SQL Server Basics

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6 min read
How I migrated from Firebase to Supabase

How I migrated from Firebase to Supabase

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Using Temporary Tables in MariaDB

Using Temporary Tables in MariaDB

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2 min read
A tale of TimescaleDB, SQLx and testing in Rust

A tale of TimescaleDB, SQLx and testing in Rust

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18 min read
The Essential Guide to Database Backup: Tips & Strategies

The Essential Guide to Database Backup: Tips & Strategies

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11 min read
Quick SQL guide and cheat sheet: Essential Commands

Quick SQL guide and cheat sheet: Essential Commands

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1 min read
Find increases, latest values, and cumulative sums in SQL (postgres)

Find increases, latest values, and cumulative sums in SQL (postgres)

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7 min read
INTRODUCTION TO SQL

INTRODUCTION TO SQL

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4 min read
Tracking Personal Finances with SQL: Learn As You Manage Your Money!

Tracking Personal Finances with SQL: Learn As You Manage Your Money!

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2 min read
SQL | DDL, DQL, DML, DCL and TCL Commands

SQL | DDL, DQL, DML, DCL and TCL Commands

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2 min read
A Software Engineer's Tips and Tricks #1: Drizzle

A Software Engineer's Tips and Tricks #1: Drizzle

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2 min read
Tutorial Duckdb

Tutorial Duckdb

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6 min read
Widget Dashboards via Wizard's Toolkit

Widget Dashboards via Wizard's Toolkit

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3 min read
What is SQL in pictures. Diving deeper (Part 2)

What is SQL in pictures. Diving deeper (Part 2)

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2 min read
Optimizing ClickHouse Performance: Strategies for Identifying and Reducing Over-fetching in SELECT Queries

Optimizing ClickHouse Performance: Strategies for Identifying and Reducing Over-fetching in SELECT Queries

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3 min read
SQL DATA MANIPULATION

SQL DATA MANIPULATION

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3 min read
5 Best SQL IDEs [EXPERT RANKING]

5 Best SQL IDEs [EXPERT RANKING]

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13 min read
JOINS IN SQL

JOINS IN SQL

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2 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
How to calculate the distance between Kyoto and Tokyo using a PostgreSQL database?

How to calculate the distance between Kyoto and Tokyo using a PostgreSQL database?

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Configuring Statement Timeout in PostgreSQL for Optimal Performance Management

Configuring Statement Timeout in PostgreSQL for Optimal Performance Management

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Optimizing SQL Performance: Best Practices for Efficient Database Operations

Optimizing SQL Performance: Best Practices for Efficient Database Operations

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3 min read
About transaction identifier (transaction_id) in PostgreSQL.

About transaction identifier (transaction_id) in PostgreSQL.

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2 min read
Platform Engineers Must Change Developers and Databases - And Here Is How

Platform Engineers Must Change Developers and Databases - And Here Is How

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9 min read
Statistical information about tables in a PostgreSQL Database.

Statistical information about tables in a PostgreSQL Database.

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2 min read
Understanding of NULL in PostgreSQL database.

Understanding of NULL in PostgreSQL database.

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2 min read
PostgreSQL: Deleting all records from a table, except for the first and last ones.

PostgreSQL: Deleting all records from a table, except for the first and last ones.

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2 min read
How to find the third and fifth-highest values in a PostgreSQL table?

How to find the third and fifth-highest values in a PostgreSQL table?

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2 min read
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