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SQL - 250 interview questions

5

(1 rating)

Master SQL Interviews with 250 handpicked questions.

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dot30 days of Money-back guarantee
dotGet help at the every stage of learning
dotRegular updates
Unlimited accessUnlimited access
exercises272 exercises
Support from Codenga TeamSupport from Codenga Team
Works on mobile devicesWorks on mobile devices
Instant feedbackInstant feedback
Certificate of completionCertificate of completion
Description
How it works
Syllabus
Reviews
FAQ

What you will learn

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    You will discover 250 most commonly asked questions in job interviews.

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    You will test your SQL knowledge and fill in any gaps.

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    You will gain confidence before the job interview.

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    You will increase your chances of landing your dream job.

Ace Interviews with unshakable confidence

This course contains as many as 250 questions covering a wide range of SQL skills. It's a great opportunity to refresh your memory on the key concepts that may come up during a job interview.

Every job interview can be stressful, especially if you are applying for a SQL Developer position for the first time. With this course, you will gain confidence and increase your chances of landing the desired job.

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The course will provide you with an opportunity to review the material and fill in any potential gaps. The questions have been prepared to cover the widest possible range of topics on the fundamentals of the SQL language. Some example topics from the course include:

  • point

    Data types in SQL

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    SELECT queries

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    Data filtering

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    Grouping and aggregation

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    Built-in SQL functions

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    Primary and foreign keys

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    Joins

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    Table modification - ALTER TABLE Queries

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Simple and convenient

The course contains both single-choice and multiple-choice questions. This simple format allows you to easily use the course in a way that is the most convenient for you. Just a few minutes will be enough to review a selected part of the material.

Go through the questions, check if you already know everything, and fill in any potential gaps. Celebrate your success in landing your dream job as a SQL Developer.

Why you should keep working on your SQL skills

SQL is the most widely used language for working with relational databases. Its understanding is key to effective and productive data manipulation. SQL is used practically everywhere: in business analysis, statistics, education, administration, and numerous other fields.

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Codenga - an experience you will enjoy

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Every Codenga course has its curriculum manager that looks after the learning material and is ready to help you if you have any questions.
30 days of Money-back guarantee
You have a generous 30-day return period. No questions asked.

Check the course curriculum

Ch. 1
SELECT
(12 exercises)
Ahead of you is a set of exercises related to the topic of ‘SELECT’ in SQL.
SELECT
SELECT - exercises
Ch. 2
WHERE
(11 exercises)
Ahead of you is a set of exercises related to the topic of ‘WHERE’ in SQL.
WHERE
WHERE - exercises
Ch. 3
NOT
(11 exercises)
Ahead of you is a set of exercises related to the topic of ‘NOT’ in SQL.
NOT
NOT - exercises
Ch. 4
LIKE
(11 exercises)
Ahead of you is a set of exercises related to the topic of ‘LIKE’ in SQL.
LIKE
LIKE - exercises

What people are saying about this course?

Average rating

5

(1 ratings)

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Reviews:

KH

Krystian Holecki

5.0

Nov 3, 2023

Confirmed by purchase

great!

great!

Is this review helpful?

Have any questions?

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How does the course work?
Every Codenga course is full of structured knowledge and practical exercises. You start with the basics and you incrementally learn new skills.
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How much time do i need to complete the course?
Buying this course you get the lifetime access. You can learn the new skills at your own pace. You can also review the material as many times as you want
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Can i still use the course having completed it?
Yes! You get unlimited, lifetime access to the course.
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Do i need any prior experience to start the course?
Codenga course are great for beginner programmers. Start with the Level 1 course if it's your fist contact with programming.
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Do i need any software to use the course?
The only thing you need is a device with an internet access. No other tools or software necessary.
$3.99
dot30 days of Money-back guarantee
dotGet help at the every stage of learning
dotRegular updates
Unlimited accessUnlimited access
exercises272 exercises
Support from Codenga TeamSupport from Codenga Team
Works on mobile devicesWorks on mobile devices
Instant feedbackInstant feedback
Certificate of completionCertificate of completion
$3.99