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Grade 11 Quizzes, Questions & Answers

Recent Grade 11 Quizzes

Key Value Store Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is a key-value store?

A database that stores data as key-value pairs for fast retrieval

A system that only stores text-based information

A relational database with rows and columns

A file system for organizing documents

Document Store Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is a document store in the context of NoSQL databases?

A database that stores data in structured tables with rows and columns

A database that stores data as flexible, self-describing documents (often JSON or BSON)

A file system used only for archiving old business records

A type of relational database optimized for text search

Big Data Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is the primary purpose of Hadoop in big data processing?

To store data in a centralized database

To distribute data processing across multiple computers

To create real-time visualizations

To replace traditional SQL databases

Secondary Index Basics Quiz

Questions: 15 | Attempts: 11 | Last updated: May 1, 2026

Sample Question
What is a secondary index in a relational database?

An index on a non-primary key column that speeds up queries

A backup copy of the primary index

An index used only for sorting data

A temporary index created during query execution

Primary Index Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is the primary purpose of a primary index in a database?

To enforce uniqueness and provide fast data retrieval

To store backup copies of table data

To delete duplicate records automatically

To compress database file size

Database Consistency Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What does the 'A' in ACID stand for in database transactions?

Accuracy

Atomicity

Availability

Accessibility

Atomicity in Databases Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What does atomicity mean in the context of database transactions?

A transaction is indivisible and executes completely or not at all

A transaction can be broken into smaller parts and partially completed

A transaction must use atomic data types only

A transaction is automatically repeated if it fails

SQL Aggregate Functions Quiz

Questions: 16 | Attempts: 12 | Last updated: May 1, 2026

Sample Question
Which SQL aggregate function returns the total number of rows in a table?

COUNT()

SUM()

TOTAL()

ROWS()

SQL Where Clause Basics Quiz

Questions: 15 | Attempts: 23 | Last updated: May 1, 2026

Sample Question
Which SQL keyword is used to filter rows based on specific conditions?

WHERE

SELECT

FROM

ORDER BY

Difference Between DDL and DML Quiz

Questions: 15 | Attempts: 27 | Last updated: May 1, 2026

Sample Question
What does DDL stand for?

Data Definition Language

Data Deletion Logic

Database Design Layout

Data Display Language

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