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May 6, 2026
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How to Identify and Fix Small Files Problem with Spark & Iceberg
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Apr 29, 2026
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How to Ingest Data: 2 Essential Patterns
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Apr 21, 2026
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How to Prevent Missing Data With Referential Integrity Checks
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Apr 18, 2026
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How to Quickly Learn Any Data Engineering Tool
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Apr 4, 2026
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3 Data Storage Techniques Every Data Engineer Should Know
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Mar 28, 2026
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4 Data Engineering Concepts To Land A High-Paying Data Engineering Job
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Mar 7, 2026
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How to Implement Data Quality Checks in Python Without Third-Party Tools
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Feb 15, 2026
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Free Airflow 3.0 Tutorial
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Feb 8, 2026
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Use Given/When/Then Specs to Make AI Generate Production-Ready Pipelines, Not Spaghetti Code
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Jan 18, 2026
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Python Notebooks in Production: How marimo Solves Jupyter’s Biggest Problems for Software Engineers
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Jan 17, 2026
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Demonstrate Python Expertise by Building Libraries: From Architecture to Published Package
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Jan 10, 2026
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How to Write Integration Tests for Python Data Pipelines
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Jan 3, 2026
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How to Create Python Data Pipelines by Defining Architecture and Generating Code with LLMs
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Aug 13, 2025
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How to Use Spark SQL Merge Into - Step-by-Step Tutorial
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Aug 12, 2025
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Six Data Modeling Techniques For Building Production-Ready Tables Fast
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Aug 11, 2025
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Free 10-Minute Polars Tutorial for Data Engineers
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Aug 10, 2025
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Free Python Standard Library How-to Cheatsheet for Data Engineers
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Aug 9, 2025
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How to Get Really Good at Advanced SQL for Data Engineering
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Aug 5, 2025
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How to quickly set up a local Spark development environment?
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Jun 10, 2025
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Using Joins and Group Bys the right way for data warehousing
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Jun 7, 2025
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CTEs(Common Table Expression) or Temporary Tables for Spark SQL
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Jun 3, 2025
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Advanced SQL is knowing how to model the data & get there effectively
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May 5, 2025
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Data Engineering Interview Preparation Series #3: SQL
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Apr 14, 2025
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How to Extract Data from APIs for Data Pipelines using Python
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Apr 5, 2025
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How to create an SCD2 Table using MERGE INTO with Spark & Iceberg
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Mar 18, 2025
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How to quickly deliver data to business users? #1. Adv Data types & Schema evolution
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Mar 1, 2025
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How to Manage Upstream Schema Changes in Data Driven Fast Moving Company
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Feb 16, 2025
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Visual Studio Code (VSCode) extensions for data engineers
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Feb 10, 2025
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Should Data Pipelines in Python be Function based or Object-Oriented (OOP)?
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Feb 3, 2025
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How to turn a 1000-line messy SQL into a modular, & easy-to-maintain data pipeline?
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Jan 28, 2025
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How to ensure consistent metrics in your warehouse
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Jan 20, 2025
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Data Engineering Interview Preparation Series #2: System Design
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Dec 18, 2024
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How to reference a seed from a different dbt project?
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Nov 22, 2024
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What do Snowflake, Databricks, Redshift, BigQuery actually do?
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Oct 17, 2024
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25 SQL tips to level up your data engineering skills
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Oct 14, 2024
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How to use nested data types effectively in SQL
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Sep 23, 2024
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How to decide on a data project for your portfolio
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Sep 18, 2024
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How to build a data project with step-by-step instructions
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Sep 5, 2024
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What are the Key Parts of Data Engineering?
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Aug 13, 2024
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Data Engineering Interview Preparation Series #1: Data Structures and Algorithms
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Jul 26, 2024
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How to implement data quality checks with greatexpectations
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Jul 16, 2024
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What are the types of data quality checks?
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Jul 1, 2024
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SQL or Python for Data Transformations?
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Jun 24, 2024
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Why use Apache Airflow (or any orchestrator)?
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Jun 14, 2024
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Data Engineering Projects
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Jun 12, 2024
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Data Engineering Project for Beginners - Batch edition
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Jun 11, 2024
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Build Data Engineering Projects, with Free Template
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May 30, 2024
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Python Essentials for Data Engineers
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May 29, 2024
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dbt(Data Build Tool) Tutorial
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May 28, 2024
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Building Cost Efficient Data Pipelines with Python & DuckDB
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May 21, 2024
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Enable stakeholder data access with Text-to-SQL RAGs
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May 9, 2024
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How to reduce your Snowflake cost
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Apr 22, 2024
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How to test PySpark code with pytest
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Apr 22, 2024
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Docker Fundamentals for Data Engineers
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Feb 22, 2024
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Data Engineering Best Practices - #2. Metadata & Logging
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Dec 13, 2023
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Uplevel your dbt workflow with these tools and techniques
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Nov 14, 2023
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What is an Open Table Format? & Why to use one?
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Oct 25, 2023
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6 Steps to Avoid Messy Data in Your Warehouse
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Jul 20, 2023
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Data Engineering Best Practices - #1. Data flow & Code
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Jun 30, 2023
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What is a self-serve data platform & how to build one
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Jun 13, 2023
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How to become a valuable data engineer
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May 15, 2023
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Data Engineering Project: Stream Edition
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Feb 15, 2023
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Change Data Capture, with Debezium
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Jan 12, 2023
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Data Pipeline Design Patterns - #2. Coding patterns in Python
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Dec 11, 2022
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Data Pipeline Design Patterns - #1. Data flow patterns
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Aug 11, 2022
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How to gather requirements for your data project
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Jun 24, 2022
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5 Steps to land a high paying data engineering job
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May 18, 2022
|
Setting up a local development environment for python data projects using Docker
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Apr 12, 2022
|
What is the difference between a data lake and a data warehouse?
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|
Mar 18, 2022
|
End-to-end data engineering project - batch edition
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Feb 22, 2022
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Automating data testing with CI pipelines, using Github Actions
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Dec 12, 2021
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How to choose the right tools for your data pipeline
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Nov 11, 2021
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Setting up end-to-end tests for cloud data pipelines
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|
Oct 22, 2021
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How to improve at SQL as a data engineer
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|
Oct 12, 2021
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6 Responsibilities of a Data Engineer
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Oct 12, 2021
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6 Key Concepts, to Master Window Functions
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|
Oct 12, 2021
|
Whats the difference between ETL & ELT?
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|
Oct 12, 2021
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What are Common Table Expressions(CTEs) and when to use them?
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|
Oct 12, 2021
|
How to add tests to your data pipelines
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|
Oct 11, 2021
|
10 Skills to Ace Your Data Engineering Interviews
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|
Oct 5, 2021
|
What is a staging area?
|
|
Oct 3, 2021
|
What is a Data Warehouse?
|
|
Sep 16, 2021
|
How to Scale Your Data Pipelines
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|
Aug 29, 2021
|
Understand & Deliver on Your Data Engineering Task
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|
Aug 17, 2021
|
4 Key Patterns to Load Data Into A Data Warehouse
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|
Jul 21, 2021
|
How to Validate Datatypes in Python
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|
Jun 25, 2021
|
Designing a Data Project to Impress Hiring Managers
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|
May 13, 2021
|
How to make data pipelines idempotent
|
|
Apr 26, 2021
|
Writing memory efficient data pipelines in Python
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|
Apr 8, 2021
|
How to gather requirements to re-engineer a legacy data pipeline
|
|
Mar 27, 2021
|
How to trigger a spark job from AWS Lambda
|
|
Feb 28, 2021
|
How to set up a dbt data-ops workflow, using dbt cloud and Snowflake
|
|
Feb 13, 2021
|
Apache Superset Tutorial
|
|
Feb 7, 2021
|
How to Join a fact and a type 2 dimension (SCD2) table
|
|
Jan 30, 2021
|
How to update millions of records in MySQL?
|
|
Jan 16, 2021
|
How to unit test sql transforms in dbt
|
|
Jan 6, 2021
|
How to Backfill a SQL query using Apache Airflow
|
|
Jan 1, 2021
|
How to do Change Data Capture (CDC), using Singer
|
|
Nov 8, 2020
|
How to Pull Data from an API, Using AWS Lambda
|
|
Oct 12, 2020
|
How to submit Spark jobs to EMR cluster from Airflow
|
|
Jul 26, 2020
|
Ensuring Data Quality, With Great Expectations
|
|
Jul 11, 2020
|
Designing a “low-effort” ELT system, using stitch and dbt
|
|
Jun 19, 2020
|
3 Key techniques, to optimize your Apache Spark code
|
|
Jun 11, 2020
|
What, why, when to use Apache Kafka, with an example
|
|
Jun 2, 2020
|
A proven approach to land a Data Engineering job
|
|
May 2, 2020
|
What Does It Mean for a Column to Be Indexed
|
|
Apr 25, 2020
|
Advantages of Using dbt(Data Build Tool)
|
|
Apr 18, 2020
|
Apache Airflow Review: the good, the bad
|
|
Apr 11, 2020
|
Review: Building a Real Time Data Warehouse
|
|
Apr 5, 2020
|
3 Key Points to Help You Partition Late Arriving Events
|
|
Mar 29, 2020
|
Scheduling a SQL script, using Apache Airflow, with an example
|
|
Mar 20, 2020
|
10 Key skills, to help you become a data engineer
|