DBMS Concept MCQ
Database Concept mcq computer science class 12, CUET mcq computer science, helpful for all competitive exams entrance exams and IT preparation Which of the following constraint ignores NULL value? a. UNIQUEb. FOREIGNc. CHECKd. All of above Show Answer b. FOREIGN Which is the correct difference between Primary key and Foreign key? a. A table can …