In this video we are going to understand how to create window functions in pandas just like in SQL. We will also solve a interview question.

Zero to hero(Advance) SQL Aggregation:
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Most Asked Join Based Interview Question:
[ Ссылка ]

Solving 4 Trick SQL problems:
[ Ссылка ]

Data Analyst Spotify Case Study:
[ Ссылка ]

Top 10 SQL interview Questions:
[ Ссылка ]

Interview Question based on FULL OUTER JOIN:
[ Ссылка ]

Playlist to master SQL :
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Rank, Dense_Rank and Row_Number:
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script:
create table emp(
emp_id int,
emp_name varchar(20),
department_id int,
salary int,
manager_id int,
emp_age int);

insert into emp
values
(1, 'Ankit', 100,10000, 4, 39;
insert into emp
values (2, 'Mohit', 100, 15000, 5, 48);
insert into emp
values (3, 'Vikas', 100, 12000,4,37);
insert into emp
values (4, 'Rohit', 100, 14000, 2, 16);
insert into emp
values (5, 'Mudit', 200, 20000, 6,55);
insert into emp
values (6, 'Agam', 200, 12000,2, 14);
insert into emp
values (7, 'Sanjay', 200, 9000, 2,13);
insert into emp
values (8, 'Ashish', 200,5000,2,12);
insert into emp
values (9, 'Mukesh',300,6000,6,51);
insert into emp
values (10, 'Rakesh',500,7000,6,50);


#pandas #dataengineer #python #dataanalysis

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