Can we join tables even if they don't have common columns ? | Advanced Sql Concepts | Ashutosh Kumar 

Sql one of the most important language asked in most of the analytics interviews,in this series i have discussed some advanced level sql concepts that are frequently asked in data analyst,business analyst interviews. In this video i have covered cross join and self join concepts in sql.
👉 Code
drop table if exists department;
CREATE TABLE department(Name VARCHAR(200));
INSERT INTO department(Name)
VALUES('Engineering'),
('Marketing'),
('Legal'),
('Finance'),
('HR');
drop table if exists shift;
CREATE TABLE shift(Id VARCHAR(200));
INSERT INTO shift(Name)
VALUES('Day'),
('AfterNoon'),
('Night');
drop table if exists country;
CREATE TABLE country(Name VARCHAR(200));
INSERT INTO country(Name)
VALUES('India'),
('US');
mention the shift timings
Day 7:00 a.m. to 3:00 p.m.
Afternoon 3:00 p.m. to 11:00 p.m.
Night 11:00 p.m to 7:00 a.m
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