12th Grade Constraints Quizzes, Questions & Answers

12th Grade

Top Trending Constraints Quizzes

The Check Constraint Basics Quiz tests your understanding of database constraints, specifically check constraints that enforce data validation rules. This quiz covers how check constraints restrict values in database columns,...

Questions: 15 | Attempts: 10 | Last updated: May 2, 2026

Sample Question 1
What is a check constraint in a database?

A rule that ensures values in a column meet a specified condition

A method to automatically delete incorrect records

A constraint that only allows NULL values

A backup mechanism for data recovery

Sample Question 2
Which SQL keyword is used to define a check constraint?

VALIDATE

CHECK

RESTRICT

VERIFY

Sample Question 3
A check constraint can reference multiple columns in the same table.

True

False

Recent Constraints Quizzes

Oracle Constraints By Blue Blaze

Questions: 20 | Attempts: 139 | Last updated: Mar 4, 2025

Sample Question
WHERE clauses allows alias names.

True

False