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Stop waiting for slow queries! In this video, we dive deep into 20 actionable "secrets" to transform your SQL performance—taking ...

Ever wondered why one SQL query takes 10 seconds while another returns results in just milliseconds? The answer is often ...

Part 7 of the SQL for Beginners series (SQL Server / T-SQL). Every query so far has been about correctness. This one's about ...

sql-doctor diagnoses slow PostgreSQL queries. It runs EXPLAIN (ANALYZE, BUFFERS, FORMAT JSON) on your query and ...

Preparing for a SQL DBA interview? In this video, we'll cover 15 essential questions you need to know, along with sample ...

My LinkedIn: https://www.linkedin.com/in/zhejiazhang My Facebook : https://www.facebook.com/zhang.zhe.jia.360431 In this ...

In this video, we build and deploy a production-grade Multi-Agent RAG Operations Portal running natively on Azure Databricks.

Refactor slow PySpark, catch shuffles, and document notebooks with Claude - a real workflow. You paste a slow cell plus its ...

"Just add an index" is one of the most common fixes for a slow database query — but what does that actually mean? This video ...

Hey everyone! 👋 Welcome back to episode 5. In this tutorial, we are unlocking a powerful feature: Custom SQL in Tableau Prep ...

What if you could predict that your code would take 11 hours...before you ever pressed Run? That's exactly what Big O gives you.

Learn more about Fine-Tuning here → https://ibm.biz/~c5OKNxoyO Is fine-tuning still needed for modern AI workflows?

This comprehensive YouTube course is designed to take you from a basic understanding of databases to a master of scaling in ...

Ever wondered how websites instantly find the information you're searching for, even among millions of records? In this video ...

Handling vehicle telemetry at scale is an engineering nightmare if you rely on traditional relational databases. A 1000-vehicle fleet ...

I spent about a week testing ChatGPT Work to see if it could take that off my plate, and honestly, I was not ready for how FAST it ...

What is pg_stat_statements? pg_stat_statements is a PostgreSQL extension that tracks and records execution statistics of SQL ...

Forty million requests per second. That's the peak traffic Amazon's own systems pushed through DynamoDB during a single Prime ...

Preparing for an Oracle DBA interview? In this video, we'll cover 15 essential questions and provide sample answers to help you ...

Your PostgreSQL table starts with a few thousand rows... Everything is fast. Then the data grows to **10 million... 50 million... even ...