#parquet

Parquet From Scratch: The Problem First, Then the Solution

Imagine you run a website with lots of users. You have been saving user data the obvious way, a giant CSV file. It has:

What Actually Converts JSON to Parquet in the Cloud: Spark, DuckDB, PyArrow, Polars

Parquet vs. Delta Lake: Why Modern Data Engineering Prefer Delta Lake

If you are building data pipelines, you will inevitably choose between Parquet and Delta Lake. The foundational difference is simple…

I Benchmarked CSV vs Parquet vs Avro on 5 Million Rows.

Everyone says “use Parquet.” I wanted to know exactly why — with real numbers from my own machine.

Eco-Friendly Elegance: A Deep Dive into ESTA Parket’s Best-Selling Floors

Choosing parquet flooring is not only about color. The right floor must match the room size, interior style, installation method, budget…

Choosing the Right Data Format: CSV, JSON, Parquet, or Avro?

In the world of data engineering, choosing a data format is not merely a technical preference — it is an architectural decision that…

Query S3 Parquet Files with Dapper and DataFusionSharp

Use Dapper to query Parquet files on S3. DataFusionSharp’s ADO.NET provider turns DataFusion into a DbConnection, so QueryAsync just works.

Lantai Kayu Jati: Pilihan Elegan, Tahan Lama, dan Bernilai Tinggi

Lantai kayu jati menjadi salah satu pilihan terbaik untuk hunian yang mengutamakan keindahan, kekuatan, dan nilai estetika tinggi.

Pilih Format Data yang Tepat: CSV, JSON, Parquet, atau Avro?

Dalam dunia data engineering, pemilihan format data bukan sekadar preferensi teknis — ini adalah keputusan arsitektural yang berdampak…

Auditing NYC Taxi Trips & Simulating Congestion Pricing with Data Science

Urban transportation is one of the most complex systems in modern cities. With millions of daily trips, even small inefficiencies can lead…

Arrow + Parquet: The Zero-Copy Data Stack

Load once, analyze everywhere — how Arrow and Parquet cut copies, costs, and complexity from modern analytics.

Modern Columnar Storage: Exploring Parquet and Light Weight Compression Techniques

Storage and Compute Seperation

Understanding Different Data File Types in Data Engineering: Simple Guide for Beginners

Introduction

Python, Parquets & Opendata (part 1)

Il Fondo di Garanzia #FdG è uno strumento messo a disposizione dallo Stato italiano per facilitare l’accesso al credito alle piccole e…

From CSV to Versatile Data Formats

Converting CSV Files into NDJSON, Parquet, Avro, Google Sheets, and ORC

Python: PostgreSQL to Parquet

To continue to learn about how to convert into parquet, I will talk about PostgreSQL to Parquet, today.

Working with Parquet files with Oracle Database

When you read this blog, there’s a high chance you know the Oracle relational database. You are familiar with it storing and managing data…