SQL WITH Clause | How to write SQL Queries using WITH Clause | SQL CTE (Common Table Expression)

SQL WITH Clause | How to write SQL Queries using WITH Clause | SQL CTE (Common Table Expression)
In this video, we shall understand how to write SQL Queries using WITH Clause. We will go through the syntax of using WITH Clause and I will also explain how SQL treats and executes SQL Queries containing With Clause.
SQL WITH Clause is also referred to as CTE which stands for Common Table Expression and can also be referred to as Subquery Refactoring.

If you’d like to practice SQL queries or explore my recorded SQL courses, check out my all-in-one SQL learning platform, SQLNest 👇
https://sqlnest.com/

This video will also provide what are the advantages of using With Clause while writing SQL Queries and also mention few scenarios when you should be using With Clause while writing SQL Queries.

Download all the scripts and SQL Queries used in this video from my blog. Link below:
https://techtfq.com/blog/sql-with-clause-how-to-write-sql-query-using-with-clause

Timeline:
00:00 Intro
00:34 Query 1: Simple example of writing SQL Query using With clause
06:25 Query 2: Ideal Scenario for writing SQL Query using With clause
20:29 Advantages of using WITH Clause in SQL
22:19 When to use With Clause in SQL

If you are new to SQL then you might have assumed that SQL Queries must always start with SELECT clause but that's not true because we can also start SQL Queries using WITH Clause. Understanding With clause can really help you to solve some of the tricky problems in SQL.

In this video, we shall first see a simple example of using with clause within SQL query. The query no 2 explained in this video will be most suitable scenario for using WITH clause in SQL Query.

🔴 WATCH MORE VIDEOS HERE 👇

✅ SQL Tutorial - Basic concepts:
https://www.youtube.com/playlist?list=PLavw5C92dz9HQQ_COgGb7kf_1H8UWUBxO

✅ SQL Tutorial - Intermediate concepts:
https://www.youtube.com/playlist?list=PLavw5C92dz9FD9XspliRM_HZM_jK7tkii

✅ SQL Tutorial - Advance concepts:
https://www.youtube.com/playlist?list=PLavw5C92dz9GbmgiW4TWVnxhjMFOIf0Q7

✅ Practice Solving Basic SQL Queries:
https://www.youtube.com/playlist?list=PLavw5C92dz9F66P3GFo5O6nJ4DfZNhVsp

✅ Practice Solving Intermediate SQL Queries:
https://www.youtube.com/playlist?list=PLavw5C92dz9EIYmNXJ8ZtQ1bmLIpt0SpV

✅ Practice Solving Complex SQL Queries:
https://www.youtube.com/playlist?list=PLavw5C92dz9Fahr7taauUx5RnTfuGyL--

✅ Data Analytics Career guidance:
https://www.youtube.com/playlist?list=PLavw5C92dz9FDsr995DjwCy9XNaIukb8P

✅ SQL Course, SQL Training Platform Recommendations:
https://www.youtube.com/playlist?list=PLavw5C92dz9GqF1Q_zn8KnYvFgtEOh-2n

✅ Python Tutorial:
https://www.youtube.com/playlist?list=PLavw5C92dz9FePZXIo4jpsupqp3X0w2SW

✅ Git and GitHub Tutorial:
https://www.youtube.com/playlist?list=PLavw5C92dz9EI1MPlqqDpe3bgr8RJZE0b

✅ Data Analytics Projects:
https://www.youtube.com/playlist?list=PLavw5C92dz9HwT_uStsDdJbuBOt_XD0ch

THANK YOU,
Thoufiq