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INFO_2312_Assignment_2.doc.pdf

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Answer the questions with respect to the table below. users id name age gender occ_id city_id 1 John 25 M 1 3 2 Sara 20 F 3 4 3 Victor 31 M 2 5 4 Jane 27 F 1 3 occupation id name 1 Software E ... ngineer 2 Accountant 3 Pharmacist 4 Library Assistant City id name 1 Halifax 2 Calgary 3 Boston 4 New York 5 Toronto This study source was downloaded by 100000840858457 from CourseHero.com on 07-07-2022 04:19:31 GMT -05:00 https://www.coursehero.com/file/65604756/INFO-2312-Assignment-2doc/(a) Create the three tables with their SQL queries and paste the code in text format below. Make sure while creating the tables: [5+2.5+2.5]  Must have primary keys in all the tables.  The attributes which can potentially be foreign keys must have NOT NULL Constraint.  Gender attribute in users table should CHECK for ‘M’ or ‘F’. Users Table Query : CREATE TABLE users ( id int not null primary key, name varchar(50), age int, occ_id int not null, city_id int not null, gender TEXT CHECK (gender='M'OR (gender= 'F')) ); Occupation Table Query : CREATE TABLE occupation ( id serial PRIMARY KEY, name varchar(100) ); City Table Query : CREATE TABLE City ( id serial PRIMARY KEY, name varchar(50) ); [Show More]

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