Перейти к содержимому

Crack SQL Interviews | Chapter 4 : Joins, Window Functions, Indexes Deep Dive

cloud4all

0:00 / 0:00

Crack SQL Interviews | Chapter 4 : Joins, Window Functions, Indexes Deep Dive

38 просмотров · 1 год назад
cloud4all
16 подписчиков
38 просмотров · 1 год назад
*SQL Interview Prep Series - Chapter 4* *Topics Covered: Joins, Window Functions, Indexes* Welcome back to the channel! 🚀 In this chapter of our *SQL Interview Preparation Series**, we're diving into **Joins**, **Window Functions**, and **Indexes* — three crucial topics for anyone preparing for roles like **Data Analyst**, **Backend Developer**, or **Data Engineer**. *In This Video:* *Tools Required:* We use *DBeaver* with a SQL Server Docker container. Having trouble setting things up? Drop your questions in the comments! By the end of this video, you'll be able to: Understand and write INNER and OUTER joins Differentiate correlated vs non-correlated subqueries Use window functions effectively in queries Create and manage indexes for performance Handle NULLs correctly in joins \#SQL #SQLInterview #DataAnalyst #BackendDeveloper #DataEngineer #WindowFunctions #Indexes #Joins #SQLTutorial #interviewpreparation