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data analytics

ETL Testing and Data Warehouse Fundamentals: A Data Analyst's Honest Review

A data analyst's honest review of ETL testing fundamentals. Learn practical SQL unit testing, dimensional modeling, and how to catch bad data early.

data analytics

My Honest Experience Using AI for Data Analytics and Coding

A data analyst shares real experiences using AI for data analytics, SQL optimization, and Python automation. Learn what works and where AI fails.

data analytics

Applied Statistics for Data Science: My Honest Review and Practical Guide

A 5-year data analyst reviews the Probability and Statistics for Business and Data Science course. Learn how to apply SQL, A/B testing, and regression to real data.

data analytics

Building Your First ETL Pipeline: My Honest Take on SSIS for Data Analysts

A data analyst's honest guide to building automated ETL pipelines using SSIS. Learn how to transition from manual Excel tasks to automated data workflows.

data analytics

Cracking the Tableau Certifications: My Honest Experience and Prep Strategy

A 5-year data analyst reviews Tableau certification prep. Discover the pros, cons, and real-world skills needed for the Desktop Specialist and Analyst exams.

data analytics

Chatting With Your Database: My Honest Take on No-Code SQL Automation

A data analyst's honest review of using natural language to SQL (NL2SQL) tools. Learn how to automate ad-hoc reporting and build a semantic layer safely.

Excel

AI-Powered Data Analysis in Excel: My Journey Beyond Basic Formulas

Learn how to integrate OpenAI API, Python, and GPT into Excel for advanced data analytics. Michael Park shares tips on automation and data cleaning.

data analytics

Talking to Your Data: My Honest Take on Generative AI for Analytics

Data analyst Michael Park reviews PandasAI for Generative AI projects. Learn how Natural Language Query changes Python data visualization and EDA.

data analytics

AI-Driven Data Analysis: A Senior Analyst’s Guide to Faster Insights

Learn how to use AI for SQL, Python, and data cleaning. Michael Park shares 5 years of analyst experience using Claude 3.5 Sonnet for faster insights.

data analytics

Building a Professional Data Portfolio: My Experience and Lessons Learned

Learn to build a professional data portfolio. Michael Park shares insights on SQL, data visualization, and avoiding common data security risks.

data analytics

Mastering SQL for Data Analytics: My Practical Path from Excel to AI-Driven Queries

Learn SQL for data analytics from Michael Park. Transition from Excel to MySQL, master joins, CTEs, and integrate AI for faster query optimization.

data analytics

Scaling Your Data Analytics: My Practical Guide to Cloud Warehousing

Join Michael Park as he explains how to scale data analytics using Cloud Data Warehouses. Learn SQL optimization, partitioning, and cost control tips.