IBM INTERVIEW QUESTION | Find Activities with Medium Participation Levels!

 DROP TABLE IF EXISTS Friends

DROP TABLE IF EXISTS Activity


CREATE TABLE Friends

(

id INT,

[name] varchar(255),

activityid INT

)


CREATE TABLE Activity

(

id INT,

[name] varchar(255)

)


INSERT INTO friends

VALUES 

(1,'Jon',1),

(2,'Ravi',2),

(3,'Rahul',2),

(4,'Christie',3),

(5,'Jade',3),

(6,'Victor',1),

(7,'Dan',1),

(8,'Bob',4)



INSERT INTO Activity

VALUES

(1,'Swimming'),

(2,'Dancing'),

(3,'Running'),

(4,'Drawing')


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