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AFAira Francodataengineeringlearning.hashnode.devMar 30 · 3 min read

Engineering a Robust ETL Pipeline for Messy Product Data

I built an ETL pipeline that takes messy product data from a CSV file, cleans and validates it, and loads both trusted and rejected records into PostgreSQL. https://github.com/Akina-Aoki/data_ops_work

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MSMandeep Singhmandeepsingh.hashnode.devMar 12 · 2 min read

Step-by-Step Guide: Create PostgreSQL Database, User, and Grant Privileges on Ubuntu

Here is the correct way to create a PostgreSQL database, user, and give full permissions on Ubuntu. 1️⃣ Login to PostgreSQL sudo -i -u postgres psql 2️⃣ Create Database CREATE DATABASE "the-ai-shift

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DGDeepansh Gangwarblog-deepansh.hashnode.devFeb 28 · 3 min read

PostgreSQL Complete Beginner → Developer Cheatsheet (In-Depth)

Windows: Start & Stop PostgreSQL Service When PostgreSQL is installed on Windows, it runs as a background service. Run Command Prompt as Administrator. net start postgresql-x64-18 Stop PostgreSQL net

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KSKrishna Sharmakris-learn.hashnode.devFeb 4 · 2 min read

Essential psql Commands for PostgreSQL

psql is the interactive terminal client for PostgreSQL. It lets you connect to databases, run SQL queries, and use powerful meta commands for database management. Connecting to PostgreSQL (Note : here the user is named as “potatoes“, and DB as “mypo...

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LGLakshay Guptablog.lakshyabuilds.comJan 19 · 6 min read

Partitioning a Table in PostgreSQL - Pros and Cons Explained

Partition is a very sensitive topic for some people. Like the 1947 India-Pak partition which lead to so many families getting devasted. But some partitions are not that bad. For e.g., partitioning your relational table. This blog talks about the good...

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LGLakshay Guptablog.lakshyabuilds.comDec 31, 2025 · 8 min read

Read this Before Creating Your Next Index in PSQL

If you are a beginner in your developer journey tasked with optimizing a database query, you must have read about applying indexes. But not all indexes bring performance gains. Some can even degrade it. Read this blog before your create your next ind...

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LGLakshay Guptablog.lakshyabuilds.comDec 22, 2025 · 5 min read

Mastering PSQL: 7 Essential Commands for Database Efficiency

Postgres or PSQL Database is a type of relational database widely used across the industry. Various big tech corporations across the globe use it to store mission-critical data. The language it understands is SQL. People are already familiar with man...

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CCCristhian Cano Bogadoparaguayandev.hashnode.devNov 11, 2025 · 3 min read

Utiliza código JAVASCRIPT desde PL/SQL con APEX_JAVASCRIPT

Oracle APEX combina lo mejor del desarrollo declarativo con el poder del código PL/SQL, y si ya viste cómo podemos aplicar estilos dinámicos con APEX_CSS, ahora vamos un paso más allá: inyectar y ejecutar código JavaScript directamente desde PL/SQL. ...

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DGDhanush Gowdadhanushks.hashnode.devSep 14, 2025 · 20 min read

PostgreSQL Architecture

When working with PostgreSQL as a DBA, DevOps, or SRE, one of the most important concepts you’ll deal with is how PostgreSQL manages memory and disk I/O. Today, I explored shared buffers, dirty pages, checkpointers, and even ran some hands-on queries...

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MKMurali Krishna Apparimuralidevops.hashnode.devAug 18, 2025 · 5 min read

Safely Deleting PostgreSQL Roles and Reassigning Ownership (Interactive Script)

Managing PostgreSQL roles securely is crucial, especially when decommissioning application users or consolidating database accounts. Simply dropping a role can fail if it owns objects, databases, or has privileges scattered across multiple databases....

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Trending tags this week

Engineering a Robust ETL Pipeline for Messy Product Data

Step-by-Step Guide: Create PostgreSQL Database, User, and Grant Privileges on Ubuntu

PostgreSQL Complete Beginner → Developer Cheatsheet (In-Depth)

Essential psql Commands for PostgreSQL

Partitioning a Table in PostgreSQL - Pros and Cons Explained

Read this Before Creating Your Next Index in PSQL

Mastering PSQL: 7 Essential Commands for Database Efficiency

Utiliza código JAVASCRIPT desde PL/SQL con APEX_JAVASCRIPT

PostgreSQL Architecture

Safely Deleting PostgreSQL Roles and Reassigning Ownership (Interactive Script)