What will happen if the following SQL command is executed, if the age column has a CHECK constraint enforcing positive values? INSERT INTO Users (username, age, country_code) VALUES (‘alice756’, -1 , ‘US’);

Which of the following operations can violate referential integrity?

What is referential integrity in a relational database?

Which SQL command will retrieve all users whose age is greater than 25 and who belong to the ‘US’?

 What is the primary purpose of DDL commands in SQL?

In the context of SQL, what is the purpose of a schema?

In a 1:N relationship, the primary key of the ‘1’ side entity is always part of the ‘N’ side entity as a foreign key.

Which of the following statements correctly inserts a new record into the Employees table?

Based on the Entity-Relationship (E-R) diagram, what relationship exists between the Order and Item tables?

What is the primary advantage of using generalization in an EER model?