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Have you ever written a SQL query that works perfectly… but takes minutes or even hours to run? In real production systems, I've ...

Description (Optimized for Algorithm + Search) Ever wondered why your SQL query is slow even when indexes exist? In this ...

Is ORDER BY quietly destroying your database performance? In this video, I explain why one of SQL's most commonly used ...

This talk was recorded at NDC Copenhagen in Copenhagen, Denmark. #ndccopenhagen #ndcconferences #developer ...

In quantitative research, data loading becomes the hidden bottleneck long before strategy logic does. CSV files get slow.

SQL Joins with Examples: Inner Join, Left Join, Right Join, Full Outer Join, Union, Cross Join. ‍ - Mentorship/On-the-Job ...

Quantum-Native Database technology is no longer a simulation. Discover how Qute integrates quantum gates directly into SQL ...

In this video, I delve into some common issues and questions from the SQL Server community, offering insights and solutions.

... using EXPLAIN in MySQL, optimize slow SQL queries, MySQL performance tuning, database optimization techniques, beginner ...

Support the channel on Patreon: https://www.patreon.com/15345164/join Ever waited agonizing seconds for a simple database ...

Title: Why Your SQL Server is SLOW (and ClickHouse is Fast) ⚡ Description: Stop trying to force your relational database to do a ...

Slow SQL queries can quietly cripple applications—causing latency spikes, timeouts, and rising infrastructure costs. Performance ...

SQL Aggregate Functions, GROUP BY, and HAVING — Explained Clearly In this video, we take a deep and practical look at SQL ...

Power your data pipelines with SerpApi https://serpapi.link/luke Supporter Access: Problems, Certificate, & More ...

Slow SQL queries in production are never “just slow queries”. They become high CPU, massive logical reads, timeouts, and ...

Episode 5 of 5: The Oracle 26ai Series In this final episode, we tackle the biggest bottleneck in Data Science: Data Movement.

Your SQL query can be 100% correct and still perform terribly. This chapter explains why — and how databases decide the fastest ...

Would you like to hire me for your SQL questions and solutions? Fiverr: https://www.fiverr.com/s/e6ALv5E UpWork: ...

Slow queries are not a SQL problem — they are a design problem. This chapter shows how databases actually find data fast.