Recursive CTE | Recursive SQL Queries | SQL Tutorial in Hindi 17

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Query to create Employee table:

CREATE TABLE employees (
emp_id serial PRIMARY KEY,
emp_name VARCHAR NOT NULL,
manager_id INT )

INSERT INTO employees (
emp_id, emp_name, manager_id)
VALUES
(1, 'Madhav', NULL),
(2, 'Sam', 1),
(3, 'Tom', 2),
(4, 'Arjun', 6),
(5, 'Shiva', 4),
(6, 'Keshav', 1),
(7, 'Damodar', 5);

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⭐CHAPTERS⭐

00:00 Intro
00:16 What is Recursive CTE
01:21 Recursive CTE Syntax
02:36 Example 1
08:35 Example 2

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👉Also Watch

👉Introduction to SQL - What Is SQL + Database | SQL Tutorial In Hindi 1

👉SQL CTE (Common Table Expression) | SQL Tutorial In Hindi 16

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Hope you liked this video and learned something new :)
See you in next video, until then Bye-Bye!

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Комментарии

As a absolute beginner in SQL it really helped me much as it made me to understand necessary basics which can be used later for writing complex query, though one or two thing i didn't understand their working but overall I'll rate this series of sql as 8.9 out of 10!
I maybe able to understand it easily unlike other peoples in comment section because i think i know Python and i found that most of the functions are very similar to functions of Python like all aggregate functions can be seen in Python, group by, join as merge, if elif else statement, sub query as nested loops, etc
Allowed me to grasp everything fast and your videos helped me much.

Thnxx a lot!

random-

Informative & helpful for all sql learner's👌💯

amanjaiswal

Thank You Rishabh Bhai Your teaching method is more promising than the courses that ask thousands for teaching
😊😊😊😊

aakashsonwane

You made it so easy to understand, really hats off!

sanjoy

❤❤really great example of employee and CEO ...
I can understand in only one video, thanks ❤❤

Hkumar_new

Watching, enjoying and learning from
Nepal.❤️✌️

sanjeevdahal

Array Mishra Ji, Bahotahin Badhiya Concept Delivery hai. Maja hi aa gaya. Subscribe kar diye hain. Aur videos ka intezaar rahega!

dakshbhatnagar

Super explanation...Specifically when you helped visualize better with excel

charltondsouza

Thank you so much for the tutorial but if you can cover Index & query optimization, View, store procedures, Triggers, User-defined functions and Cursor will really help us.

poojaboga

Really amazing video anyone can understand the way you explained it

durgeshrathod

Crystal clear! One question, Can't we use SELF Join to get same output for Organazation Hierarchy instaed of CTE?

unitechs

thanks a lot so much, in love with your videos

KalikinkarLahiri-ou

Thank you for sharing your knowledge with us.

jawadsher

Hi Rishabh, Nice one Bro!! explained very well...

vishaljha

This is basically for loop in coding language!! but great explanation!!

charanraju

Very helpful series sir bundle of thanks

ZahraFreelancer

sir actually we already had the same data in our table so what's the point of using recursive CTE? Sir can you please make a video of this explaining the real use of this.

Harsh-tlw

with recursive my_cte as (
Select 1 as n
union all
select n+1
from my_cte
where n<10)

select * from my_cte;

parinithabs

Hello Rishabh, requesting you to post brief video on Triggers in SQL.

bhavinpadhiyar

Hi Rishabh, can you create details video on index, exception handling. In short pl/SQL all features

PMDK

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