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 CASE WHEN END STATEMENTS concepts in sql

👉Query -

1)

drop table if exists table1;
CREATE TABLE table1( sid integer,score integer);

INSERT INTO table1( sid,score)
VALUES
('1','72'),
('2','16'),
('3','69'),
('4','43'),
('5','23');

2)

drop table if exists table2;
CREATE TABLE table2(orderid integer,stateid varchar(200),status varchar(200),amount integer);

INSERT INTO table2(orderid,stateid,status,amount)
VALUES
('1','s1','shipped','67050'),
('2','s2','delivered','68608'),
('3','s3','packed','62545'),
('4','s2','shipped','54033'),
('5','s1','delivered','39284'),
('6','s2','shipped','80372'),
('7','s2','delivered','66399'),
('8','s3','packed','48914'),
('9','s1','packed','95459'),
('10','s1','delivered','70493'),
('11','s2','delivered','58017'),
('12','s3','packed','80360'),
('13','s1','delivered','90328'),
('14','s3','shipped','32283'),
('15','s2','packed','62551'),
('16','s3','packed','18273'),
('17','s2','shipped','46131'),
('18','s1','packed','18713');
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