In this video, we see 10 different ways to remove duplicate records in SQL. We look at 2 different scenario for duplicate records in techtfq (Thoufiq) · GitHub
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Mountain Huts & Trails - SQL Interview Query 2 | SQL Problem Level "HARD" 0. Skip to Content. techTFQ · Home · SQL Live Courses · Courses · Blog · Contact. Open Menu Close Menu. techTFQ.
SQL Views Tutorial | VIEWS in SQL Complete Tutorial The aim is to post 50+ YouTube videos + learn how to better manage my time so I can also release 5-10 good quality courses on SQL, Python, PL/SQL, Data This video is about Window Functions in SQL which is also referred to as Analytic Function in some of the RDBMS. SQL Window
In this video, let's learn to write SQL Queries using a real dataset downloaded from the internet. We shall download Olympics In this video, I will share my Top 25 SQL Interview Questions and Answers which I have captured from my own experience of
In this video, let's solve an SQL interview query taken from LeetCode. The problem might seem complex at first but there is a very Materialized View in SQL | Faster SQL Queries using Materialized Views
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Solve a real FAANG‑style SQL interview problem where user events must be rounded to the nearest 15‑minute window and In this video, let us solve an SQL Problem asked during the Amazon Interview. OdinSchool: Download In this video, we look at another SQL interview query. We shall solve this problem using "VERY IMPORTANT SQL concept".
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Learn how to use LATERAL JOIN in SQL with real-world examples and practical use cases using PostgreSQL! In this SQL tutorial, In this video, we will solve an SQL Interview query which was asked during a interview by a FAANG company. The problem
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This is a complete guide for anyone to understand Database Normalization in SQL. I will not just explain the Normalization SQL Basics Tutorial for Beginners (Practice SQL Queries) 30DaySQLQueryChallenge is a series of 30 videos covering 30 SQL Interview Queries. This is the SECOND video in this series.
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techTFQ — Thoufiq has been a good mentor to me. · Ankit Bansal — His channel is famous for interview questions. · kudvenkat — I found his channel I own a YouTube channel named "techTFQ" where I post video's related learning SQL, Python and other Data Science related concepts. 💞️ I'm SQL Window Function. How to write SQL Query using Frame Clause, CUME_DIST. SQL Queries Tutorial. If you'd like to practice
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All products · SQL Interview Prep Bootcamp - Aug2025 · Python Bootcamp for Beginners - Aug2025 · SQL A-Z Bootcamp - Jun 2025 · SQL Bootcamp Nov2024 by techTFQ · SQL 30DaySQLQueryChallenge is a series of 30 videos covering 30 SQL Interview Queries. This is the first video in this series. Git Tutorial for Complete Beginners | Learn Git in 35 minutes In this video, we shall cover everything you need to know to start
This is the SQL JOINS Tutorial for complete beginners. This is the second part of the series. In this video we shall cover FULL 30DaySQLQueryChallenge is a series of 30 videos covering 30 SQL Interview Queries. This is the NINTH video in this series.
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In this video, let's solve an SQL query which can be pretty commonly asked during SQL interviews. This is a basic to intermediate GROUPING SETS vs ROLLUP vs CUBE in SQL | Advanced SQL Tutorial with Examples techTFQ
SQL JOINS Interview Question | What does different SQL Joins return? Top 3 SQL Interview Questions You Must Know (With Answers) Welcome back to the channel! In this video, I'm breaking down 3 SQL WITH Clause | How to write SQL Queries using WITH Clause | SQL CTE (Common Table Expression) In this video, we shall
How to remove Duplicate Data in SQL | SQL Query to remove duplicate SQL JOINS Tutorial for beginners | Practice SQL Queries using JOINS - Part 2 Practice SQL Interview Questions on LeetCode | Solve SQL Interview Questions (Practice SQL Queries) In this video, we shall see
techTFQ | Thoufiq Mohammed | 26 comments Footer Values - SQL Interview Query 3 | SQL Problem Level "MEDIUM" Given 2 tables, identify the no of records returned using different type of SQL Joins. This is a very frequently asked SQL Interview
Try completing all free questions from these websites. To learn advance topics such as window functions and cte refer to TechTFQ videos. In this video, I will showcase a dedicated online platform for learning Python. This platform contains multiple different Python
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In this video, I share the courses I recommend for learning SQL, Python, Excel, Power BI, and a complete data analytics boot camp Remove Redundant Pairs - SQL Interview Query 1 | SQL Problem Level "HARD"
In this video, we will solve an SQL Query where we will need to transform data from rows to column. We can transform data from This is an SQL Project where we perform Data Cleaning and Validation on a list of given PAN Numbers. Learn how to clean and FAANG SQL Interview Question | Can You Solve This 15‑Minute Time Window Problem?
In this video, I will explain and solve 3 tricky SQL Interview Queries. These are the SQL Queries which can be expected during Top 10 SQL Interview Queries | Popular SQL Queries for SQL Interview TechTFQ vs Ankit Bansal. Whose YouTube channel is best when it comes to SQL for Data Engineering? Purpose is to learn skill,
Solving an SQL Interview Problem The first 1000 people to use the link will get a 1 month free trial of Skillshare: In this video, I will be
In this video let us work on an SQL Case study in which we shall download a dataset from Kaggle and then upload it to a In this video, we will learn how to solve a complex SQL query. The SQL problem is taken from HackerRank. We shall use This is the SQL JOINS Tutorial for complete beginners. In this video we shall cover INNER Join, LEFT Join and RIGHT Join. I'll be
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30DaySQLQueryChallenge is a series of 30 videos covering 30 SQL Interview Queries. This is the THIRD video in this series. Recursive SQL Queries Tutorial | Learn to write SQL Queries using Recursion
Solving SQL Interview Queries | Tricky SQL Interview Queries 30DaySQLQueryChallenge is a series of 30 videos covering 30 SQL Interview Queries. This is the 15th video in this series.
SQL Window Function | How to write SQL Query using Frame Clause, CUME_DIST | SQL Queries Tutorial Solving SQL Interview Query using a "VERY IMPORTANT SQL concept"
Solving SQL Query | Rows to Column in SQL Solving a tricky SQL Interview Query
This video is an SQL tutorial about three powerful yet underused SQL features: GROUPING SETS, ROLLUP, and CUBE. SQL Window Function | How to write SQL Query using RANK, DENSE RANK, LEAD/LAG | SQL Queries Tutorial
Practice SQL Interview Query | Big 4 Interview Question Improve the performance of your SQL Query using Materialized View. In this video, we learn everything you need to know about
In this video, you will find complete roadmap on how to learn SQL for Beginners, Intermediate level, Advanced level and for Learn how to write SQL Queries(Practice Complex SQL Queries) In this video, I will explain the thinking behind writing an SQL Ready to master SQL and crack data interviews? Join my LIVE SQL Interview Prep Bootcamp where you'll learn: Real
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In this video, we will solve an SQL interview problem by providing 6 different solutions. The ability to solve an SQL query using 2K+ followers · 225 following · 100 posts · @techtfq: “Founder, SQLNest (All-in-One SQL Learning Platform)”
Learn how to write SQL Queries(Practice Complex SQL Queries) techTFQ - YouTube