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Focus on these things when you are learning SQL and you will quickly become very good! #sql #dataanalytics.

Should you use a CTE or a Subquery in your SQL code? In this short, I explain when each one works best — especially in ...

LINK in the comments - In CTE o insert your old query - In CTE n: insert your new query - In Difference CTE: - The first part selects ...

SQL INTERVIEW QUESTION ASKED AT MICROSOFT! | FIND THE SECOND HIGHEST SALARY This SQL interview question ...

TABLE OF CONTENTS 00:00:00 - Introduction 00:00:17 - Museum of Fine Arts 00:06:13 - Inserting 00:21:00 - Importing 00:37:06 ...

To follow along with this lecture, visit https://cs50.harvard.edu/sql. *** This is CS50, Harvard University's introduction to the ...

Subscribe & Comment 'sql' i will send you complete details and also will send you complete SQL checklist for Data Analyst ...

CS50x 2024 Lecture 7 - SQL 00:00:00 - Introduction 00:01:01 - Flat-file Databases 00:33:00 - Relational Databases 00:57:02 ...

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

SUB QUERIES IN SQL - By Syed Aatif Gulrez Please make a change in the solution of 1st problem. During combining final sub ...

In this video, I'll cover the top data analyst interview questions and answers for 2025. Whether you're preparing for Deloitte, KPMG ...

Welcome to 'Engineer in Cubicle'! I'm Vivek Sunny, and in this video, we'll tackle advanced SQL problems that are commonly ...

14 Feb 2024, 1pm.

Click here to learn SQL for FREE: ...

Learn SQL: https://www.w3schools.com/sql/sql_join.asp Different Types of SQL JOINs Here are the different types of the JOINs in ...

هذه المحاضرة جزء من سلسلة CS50x 2025 من جامعة هارفارد، مترجمة إلى اللغة العربية ✨. ستتعلم فيها أساسيات قواعد البيانات وكيفية ...

This is the 1st part of lecture for Data Warehouse course, delivered by Esteban Zimányi in ULB on 11th Oct, 2021.

SQL interview question -- Medium SQL Question How to use window functions in this case lag function. using these lines of codes ...

Ottimizza le tue query SQL e migliora le performance del tuo database! In questo video, scoprirai le migliori tecniche per rendere ...

Are you starting your data analysis journey and wondering what to learn first? In this video, I walk you through a practical ...