13 Program for Primary Key Constraint in PostgreSQL Atharva Satyendra Agrawal August 13, 2020 Atharva Satyendra Agrawal Program: create table people( ID int primary key, name text, number int); insert into people values(1, 'Atharva', 54955); insert into people values(2, 'KimJong', 54985); insert into people values(2, 'KimJong', 54985); select * from people; Output: Tweet Share Share Share Related Post