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MySQL and SQL Online Test

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The MySQL and SQL online test assesses candidates' knowledge of SQL queries, relational database concepts, and specific MySQL features.

It's an ideal test for pre-employment screening. A good database admin or back-end developer working exclusively on a MySQL server database needs to be able to use features specific to MySQL to interface efficiently with the database.

This online test requires candidates to answer multiple-choice questions about MySQL and to write SQL queries that extract, combine, or manipulate data.

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Free Sample Questions for MySQL and SQL Test

Our sample questions are free for companies to use on a trial plan. See more about our premium questions for paid plans below.

Paginate Users

3min
  -  
Easy  
  -  
MCA

MySQL Pagination Public

Consider the following table:

CREATE TABLE users (
  id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
  username VARCHAR(50) NOT NULL
);

The following query is used to paginate the table:

SELECT * FROM users ORDER BY username LIMIT 5 OFFSET 15;

Select all the true statements about this method of pagination.

(Select all acceptable answers.)

Students

3min
  -  
Easy  
  -  
CODE

SQL Aggregation Select Public

Given the following data definition, write a query that returns the number of students whose first name is John. String comparisons should be case sensitive.

TABLE students
   id INTEGER PRIMARY KEY,
   firstName VARCHAR(30) NOT NULL,
   lastName VARCHAR(30) NOT NULL

Enrollment

5min
  -  
Easy  
  -  
CODE

SQL Conditions Update Public

A table containing the students enrolled in a yearly course has incorrect data in records with ids between 20 and 100 (inclusive).

TABLE enrollments
  id INTEGER NOT NULL PRIMARY KEY
  year INTEGER NOT NULL
  studentId INTEGER NOT NULL

Write a query that updates the field 'year' of every faulty record to 2015.

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Premium Questions for MySQL and SQL Test

TestDome offers a premium questions library with 1000+ unique, hand-crafted questions whose answers can’t be found online. If you spot an answer somewhere online, we’ll give you a refund.

Covered Skills

Testing of these skills is covered in this pre-built test because they’re closely related. On our paid plan, you can easily create your own custom multi-skill tests.

SQL Conditions Views Subqueries Update MySQL String functions Aggregation Window functions Common table expression JSON Constraints Create table Database schema Select Create index Performance tuning Alter table Ordering Bug fixing Left join Indexes Union Group by Insert Joins Delete SQL CASE Right join Database normalization CTE
Recommended Job Roles

These are the job roles that we recommend for the MySQL and SQL online test.

Data Analyst
Database Administrator
MySQL Database Administrator
MySQL Developer
SQL Developer

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