11th Grade SQL & Querying Quizzes, Questions & Answers

11th Grade

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Top Trending SQL & Querying Quizzes

SQL Injection Quiz: Assess Your Cybersecurity Knowledge

Welcome to the SQL Injection Quiz! This quiz is designed to test your knowledge of SQL injection, a prevalent security vulnerability that can compromise the integrity of databases. SQL injection occurs when an attacker inserts...

Questions: 10 | Attempts: 404 | Last updated: Feb 17, 2025

Sample Question
What is SQL injection?

A type of computer virus

A technique to exploit database flaws

A method to encrypt SQL queries

A form of encryption algorithm

Modern Database Systems SQL Quiz

This Quiz is all about testing the basics skills in SQL.It covers SQL Server architecture, tools, security and datatypes, Implementing data integrity, subqueries, joins and T-SQL Enhancements.

Questions: 30 | Attempts: 1848 | Last updated: Mar 22, 2025

Sample Question
The primary - foreign key relations are used to

Cross-reference database tables

To index the database.

Clean-up the database

SQL Union Operator Trivia Quiz

The SQL UNION is used in set operations. Test your knowledge in the use of the SQL UNION operator, and it's various functions in a data set by taking this quiz. You can also brush up on your knowledge of the difference...

Questions: 10 | Attempts: 658 | Last updated: Mar 21, 2025

Sample Question
The SQL UNION Operator enables you draw information from two or more table with the _____

Value

Structure

Rows

Lines

SQL Data Manipulation Language Trivia Quiz!

Welcome to the SQL data manipulation quiz. It is designed to test out just how much you understand when it comes to data manipulation, which is essentially editing, deleting, or changing the data as well as you can. It is perfect...

Questions: 20 | Attempts: 1476 | Last updated: Mar 21, 2025

Sample Question
A DML command that inserts, updates, or deletes database data

Alias

Inner join

Action query

Popular SQL & Querying Quizzes

SQL & Pl/SQL Fundamentals Quiz

Questions: 33 | Attempts: 19752 | Last updated: Nov 21, 2025

Sample Question
Which SQL statement contains an error?

SELECT * FROM emp WHERE empid = 493945

SELECT empid FROM emp

SELECT empid FROM emp WHERE empid = 493945

SELECT empid WHERE empid = 56949 AND lastname='SMITH'

The Ultimate Server Query Language Quiz

Questions: 42 | Attempts: 13003 | Last updated: Mar 22, 2025

Sample Question
Which SQL function is used to count the number of rows in a SQL query?

COUNT()

NUMBER()

SUM()

SQL Multiple Choice Questions With Answers

Questions: 20 | Attempts: 12623 | Last updated: Jun 17, 2025

Sample Question
Full form of RDBMS is

Regional district management system

Relational database management system

Regular database management system

Regular district machine system

SQL Server Quiz Questions And Answers

Questions: 25 | Attempts: 8381 | Last updated: Jun 22, 2025

Sample Question
Assuming UserProfile is a table containing a column Proession that accepts a NULL value. What is the result of the query below? SET ANSI_NULLS OFF SELECT Profession FROM UserProfile WHERE (Profession <> NULL).

Gives an error.

Returns all Professions that do not have null values.

<> is not an operator in SQL Server.

None of the above.

Test Your DDL and DML Knowledge

Questions: 10 | Attempts: 4194 | Last updated: Mar 13, 2025

Sample Question
Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table?

INSERT INTO employees VALUES (NULL, 'JOHN','Smith');

INSERT INTO employees( first_name, last_name) VALUES ('JOHN','Smith');

INSERT INTO employees VALUES ('1000','JOHN','NULL');

INSERT INTO employees(first_name,last_name, employee_id) VALUES ('1000, 'john','Smith');

INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'john',");

PHP Mysql Basic Test

Questions: 10 | Attempts: 3410 | Last updated: Jun 17, 2025

Sample Question
PHP is Scripting language

Browser Side

Server Side

Home Side

Client Side

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