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Master SQL Aggregate Functions! In this video, I'll break down COUNT, SUM, MIN, MAX, and AVG with easy-to-follow examples.

Query optimization in DBMS | Query Optimisation techniques- MOST IMPORTANT SQL/ DBMS INTERVIEW QUESTION. ✨Link to ...

Struggling with slow SQL queries? Want to optimize them for lightning-fast performance? In this video, I'll walk you through SQL ...

Mastering MongoDB Aggregation Aggregation! In this deep-dive video, we unravel the power of aggregation using match, ...

In this video, I break down a real Accenture Data Engineer interview question using PySpark in Databricks. We'll walk through a ...

Serializability is a concept that helps to identify which non-serial schedules are correct and will maintain the consistency of the ...