Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

1 Views

Database Architecture Tiers Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What operation is performed by the 'Select' statement in SQL?

Update existing data in a table

Insert data into a table

Delete all records from a table

Retrieve data from a database (correct)

Which SQL operation is used to insert data into a table?

Merge

Insert (correct)

Select

Update

What does the 'Commit' statement do in SQL?

Revoke permissions from users

Save the transaction on the database (correct)

Retrieve the stored data

Update existing data within a table

Which statement is used to give user access privileges to a database in SQL?

Grant Signup and view all the answers

What is the purpose of the 'Explain plan' statement in SQL?

Explain data Signup and view all the answers

In SQL, what operation does the 'Rollback' statement perform?

Restore the database to its original state since the last Commit Signup and view all the answers

'Lock table' statement in SQL is primarily used for what purpose?

Control concurrency Signup and view all the answers

'Revoke' statement in SQL is typically used for:

Taking back permissions from users Signup and view all the answers

'Merge' operation in SQL performs which type of operation?

Insert or update operations Signup and view all the answers

'Call' statement in SQL is primarily used for what purpose?

'Calling a structured query language or Java subprogram' Signup and view all the answers