Computer Science · SQL Constraints
A university administrator wants to ensure that every course has a unique course code in the Courses table and prevent any course record from being created without specifying the course name. Which SQL statement ensures these constraints during table creation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1CREATE TABLE Courses (CourseCode INT, CourseName VARCHAR(50));
- 2CREATE TABLE Courses (CourseCode INT PRIMARY KEY, CourseName VARCHAR(50) NOT NULL);✓
- 3ALTER TABLE Courses ADD CourseCode UNIQUE;
- 4INSERT INTO Courses VALUES ('Null', 'Course');
Correct answer
CREATE TABLE Courses (CourseCode INT PRIMARY KEY, CourseName VARCHAR(50) NOT NULL);
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Computer Science?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice SQL Constraints MCQs →Want more practice questions on SQL Constraints?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer Science · SQL Constraints