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

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

All of the above

Open

Complete

Integrated

2 / 20

Which of the following is Oracle Database Edition?

Express Edition

Enterprise Edition

Standard Edition

All of the above

3 / 20

Oracle Database is also known as ____.

OracleCB

OracleDB

OracleAB

OracleBB

4 / 20

Which of the following comes under relational database?

MySQL

DB2

All of the above

SQL Server

5 / 20

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

None of the above

Relational

Analytical

Structural

6 / 20

Prior to the invention of the database system, ____ files were extensively used to store data.

Flat

Square

Triangle

Circle

7 / 20

An Oracle database is an ____ from Oracle Corporation.

MDBMS

None of the above

ADBMS

RDBMS

8 / 20

How does MySQL Cluster (NDB) handle data partitioning?

Does not support data partitioning

Only partitions data on request

Manually partitions data based on user settings

Automatically partitions data across all data nodes

9 / 20

In MySQL, what does sharding help with?

Data scalability

Data recovery

Data archiving

Data encryption

10 / 20

How does MySQL Cluster achieve high availability?

By using disk mirroring

By periodically backing up data

By using shared storage

By synchronously replicating data across nodes in real-time

11 / 20

MySQL belongs to which category of database management systems?

Relational DBMS

Hierarchical DBMS

Object-oriented DBMS

Network DBMS

12 / 20

What does the DISTINCT keyword do in a SQL query?

Counts rows

Creates a distinct file

Orders results

Removes duplicates from results

13 / 20

What does the GROUP BY statement do in a SQL query?

Deletes groups of data

Groups data based on one or more columns

Modifies data in a group

Sorts the output

14 / 20

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

BOOLEAN

VARCHAR

SMALLINT

TINYINT

15 / 20

Which SQL statement is used to remove data from a MySQL database?

Delete

Erase

Clear

Remove

16 / 20

What does DCL stand for in MySQL?

Data Control Language

Direct Current Leakage

Doctor of Civil Law

Degree of Combined Leverage

17 / 20

What does DML stand for in MySQL?

Digital & Media Literacy

Data Manipulation Language

Display Message Log

Doctor of Modern Languages

18 / 20

what does DDL stand for in MySQL?

Developmentally Delayed Learners

Data and Database Limitation

Data Derivation Language

Data Definition Language

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

Management Nodes, MySQL Robust Data, MySQL Database Terminology

MySQL Query, Data Server, and NDB Cluster

Data Nodes, MySQL Server Nodes, and Management Nodes

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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!