SQL Basic Interview: Beginner-Level Quiz

SQL Basic Interview Quiz

Welcome to the "Basic SQL Interview Quiz"! This quiz is tailored to assess your foundational knowledge of SQL, the essential language for managing and querying relational databases. You'll encounter a variety of questions covering key concepts such as data retrieval, filtering, sorting, and basic functions. Whether you're preparing for an interview or simply brushing up on your skills, this quiz will help you gauge your understanding of SQL fundamentals. Let’s get started and see how well you can navigate the world of databases!

1 / 20

Which of the following is an Oracle feature?

Analytics

Security

All of the above

Management

2 / 20

With Oracle database, data is managed in an ____ manner.

Open

All of the above

Integrated

Complete

3 / 20

The Oracle ____ Application Clusters feature is not included in the Oracle Personal Edition.

Real

Augmented

Virtual

None

4 / 20

Which of the following is Oracle Database Edition?

Standard Edition

Enterprise Edition

All of the above

Express Edition

5 / 20

In which year Oracle Database has been created?

1977

1987

1967

1997

6 / 20

Which of the following comes under relational database?

MySQL

All of the above

DB2

SQL Server

7 / 20

Due to its ability to eliminate redundant data, ____ databases are more popular than flat files.

Analytical

Structural

None of the above

Relational

8 / 20

How does MySQL Cluster (NDB) handle data partitioning?

Automatically partitions data across all data nodes

Does not support data partitioning

Only partitions data on request

Manually partitions data based on user settings

9 / 20

How does the "max_connections" setting affect a MySQL server?

Restricts query execution time

Limits the number of database users

Limits the number of open transactions

Sets the maximum number of allowable connections

10 / 20

What does the following MySQL command do?

CREATE DATABASE SampleDB;

Deletes the database SampleDB

Creates a new database named SampleDB

Creates a new table named SampleDB

Creates a new schema named SampleDB

11 / 20

What does the DISTINCT keyword do in a SQL query?

Creates a distinct file

Removes duplicates from results

Orders results

Counts rows

12 / 20

What is the default sort order of the ORDER BY statement in SQL?

Random

Descending

Ascending

Fixed

13 / 20

What is the result of the following SQL query?

SELECT 15 + 25;

'15 + 25'

14 / 20

Which data type in MySQL is used to store boolean values?

VARCHAR

BOOLEAN

TINYINT

SMALLINT

15 / 20

What is the primary use of the ENUM data type in MySQL?

To store arrays

To limit input to a list of possible values

To create a queue structure

To keep log of stages

16 / 20

What is incorrect in the following SQL statement?
CREATE TABLE Users (ID INT, Name CHAR(20), Email VARHCAR(100));

Spelling mistake in data type for Email

ID should be VARCHAR

Syntax is correct

Name should be TEXT

17 / 20

What does DCL stand for in MySQL?

Doctor of Civil Law

Direct Current Leakage

Data Control Language

Degree of Combined Leverage

18 / 20

What does DML stand for in MySQL?

Digital & Media Literacy

Data Manipulation Language

Doctor of Modern Languages

Display Message Log

19 / 20

The select statement is used to retrieve data from one or more tables in a MySQL database. TRUE or FALSE

True

False

20 / 20

What are the main components of MySQL cluster?

Database Architecture, MySQL Management, and Robust Nodes

Data Nodes, MySQL Server Nodes, and Management Nodes

MySQL Query, Data Server, and NDB Cluster

Management Nodes, MySQL Robust Data, MySQL Database Terminology

Your score is

The average score is 0%

These basic SQL interview questions focus on fundamental concepts and skills in SQL (Structured Query Language) that are commonly tested in entry-level database positions.

It also covers basic SQL commands such as SELECT, INSERT, UPDATE, and DELETE. Additionally, it covers clauses like WHERE, ORDER BY, GROUP BY, and HAVING.

It tests knowledge of foundational SQL syntax, querying, and data manipulation.

Best of luck!