Top 10 SQL interview Questions and Answers | SQL Interview Questions (Must Watch)

Top 10 SQL interview Questions and Answers | SQL Interview Questions (Most Important)

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⭐Content⭐
00:00 Intro
01:20 Create Table
03:00 SQL Interview Question-1
12:18 SQL Interview Question-2
22:20 SQL Interview Question-3
29:50 SQL Interview Question-4
33:21 SQL Interview Question-5
39:28 SQL Interview Question-6
46:46 SQL Interview Question-7
53:09 SQL Interview Question-8
57:00 SQL Interview Question-9
59:18 SQL Interview Question-10
1:02:08 SQL Interview Question Bonus
1:04:12 Outro

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More SQL for data science Videos:

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👉Topics covered in this video:
SQL SELECT statement
SQL OPERATORS
SQL JOINS
SQL SUB QUERY
SQL DATE TIME FUNCTIONS
SQL CTE
SQL CASE STATEMENT

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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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Top 10 SQL interview Questions and Answers | SQL Interview Questions

[sanchitkanojia]

Awesome Bhaiya 🔥🔥🔥
I learned whole SQL from your videos. Your explanation is another level🔥🔥.

[deepakbehara]

for 6th question we can also use simple window function to solve it:
with cte as(
select *, dense_rank() over(order by salary desc) as rnk
from Employee
)
select distinct cte.salary from cte
where cte.rnk = 2 # 2nd highest salary

[SSS-xmdh]

Your teaching is truly exceptional. Your SQL tutorials have been an immense help to me. I was wondering if you might consider creating a comprehensive video series that covers Power BI, starting from the basics and progressing to advanced topics. Your teaching style is fantastic, and I believe many learners, including myself, would greatly benefit from such a series.

[randomguy]

Best sql qna video, was waiting for this video ❤❤🙏🙏

[bhagyashreepadme]

your's way of explanation is very

[MalikaaPremi]

Thank you so much Rishabh sir for this sql question and answers series....You are great❤❤❤You are the best teacher in the whole world.... Because of you i learnt sql from scratch....Keep posting more videos on these topics...we all love you ❤❤❤❤ lots of love❤More power to you....

[chinajong-tqes]

You are great and no 1 who made excellent projects . I learnt how to make dashboards on excel from u only and also sql from u and power bi ❤❤❤❤❤. Thanks for everything bhaiya . We are expecting lot from you . Please make combined projects like sql+ tabluea or sql + excel bhaiya

[dhysdir]

Great work Rishabh. You're the best. 100% trust in your work and efforts.

[itzreet]

Hey brother !!

SQL Server: Since you mentioned SQL Server, focus on learning the specific features and tools provided by SQL Server, such as SQL Server Management Studio (SSMS) for administration, SQL Server Integration Services (SSIS) for data integration, and SQL Server Reporting Services (SSRS) for reporting.

Please make video on this

[kmmesbh]

for mysql users this is the query
SELECT
Gender,
count(*) * 100.0 / (select count(*) from employee ) as ratio
FROM
Employee
GROUP BY
Gender;

[anshmatto]

Q7(b)
select empname, project from employee as co
inner join employedetail as ed
on co.empid=ed.empid
Group By empname, project
it can be done by this method also

[KulwinderKaur-kdbk]

Thank you Rishabh, I started my Data Analyst journey 4 months back from your videos and its been monumental for me. I have a request to please make a demo video on " updating resume as per the job requirement" . I have been applying for DA job but getting rejections from everywhere. I think there's need of a change in the way I apply. Also, I got really happy to know that You are also an APS alumni.

[anushkatathe]

delete from employee where empid in (select empid from employee group by empid
having (count (*))>1); this query deletes all the records we should implement the query to delete duplicates and it should keep 1 record out of duplicates records.

[vivekshirsat]

Q6. we can also use below query to get 2nd highest salary
select *
from
(select *,
rank() over(order by salary desc) as rn
from employee) as t
where t.rn = 2;

Q7. solution for removing duplicate values

delete from employees where
(
select empid, empname, gender, salary, city
from
(select *,
row_number() over(partition by empid) as rn
from employees ) as t
where t.rn > 1);

[AK-wuyp]

Brother, we have one query, that is, which type of data are used to analyse in mnc firms where we are supposed to work. Please make one project on power BI related to that problem. For example any of the queries related to your job profile, will give us more confidence 🙏

[RahulKumar-vzpn]

ANSWER (another approach)

Select empid, empname, gender, salary, city from (
select *, rank() over(partition by city ),
count(*) over(partition by city)
from employee) y
where y.count>1;

[bhavinpadhiyar]

Thank you Rishabh, for this SQL tutorial. You are doing great!! Your explanation gives quick idea to understand.👌

[Sanjaykumar-pynq]

Sir ....aap kamal ho r the one of the Best Teachers, Instructor, guide and so Respect for you 🙏

[vikkynarepagul]

Q. 7 b the easiest approach is
Select empname, project from employee inner join employeedetail on employee.empid = employeedetail.empid group by project having count (*) >1

[rahil]

Rishab Bhai Thank you so much for this ( Bohot saari Duaaye )