How do I run a sql query in pgadmin 4?
Is foreign key unique?
Is foreign key a primary key?
What are rows and columns?
What are the steps to insert a table?
Can primary key be null?
What are some examples of schemas?
How many types of schemas are there?
How do you identify a foreign key?
Is candidate a key?
Can foreign key be deleted?
Can a table have 2 primary keys?
What are the components of dbms?
Can an entity have two primary keys?
How is foreign key related to primary key?