Quiz on Constraints in SQL
SQL Constraints are rules applied to columns in a table to enforce data integrity, accuracy, and consistency. This quiz explores key constraints such as PRIMARY KEY, FOREIGN KEY, NOT NULL, UNIQUE, and CHECK.
Summary
This quiz on SQL Constraints helps learners understand how to maintain data integrity using PRIMARY KEY, FOREIGN KEY, NOT NULL, CHECK, DEFAULT, and UNIQUE. It’s ideal for database design, certification prep, and interviews.
