COMIDOC
CouponsFreeTopics
COMIDOC
CouponsVerified CouponsFreeFree CoursesTopicsTopics
React
AdvertiseSubmit Course

About

Udemy coupons monitored continuously.

Verified offers, course alerts, precise filters, and browser detection built for learners who want coupons that still work.

TelegramTwitterFacebookRSS

Browser tools

Find coupons directly on Udemy.

The extension surfaces an available Comidoc coupon while you browse a Udemy course page.

ChromeFirefoxEdge

Useful links

Discover

  • Blog
  • Daily Freebies
  • Most Wanted Coupons
  • Top Contributors
  • Udemy Sale Calendar

Services

  • Pricing
  • Advertise Here
  • Developer API
  • Submit Coupon

Comidoc

  • About
  • Contact
  • Data License
  • Privacy
  • Terms

© 2017–2026 Comidoc

v6.6.147

Independent coupon discovery for Udemy learners

Course topic

HackerRank Challenges

  1. Topics
  2. Development
  3. HackerRank Challenges
Also indexed asHackerRank SQL · Coding Practice · SQL Exercises

Improve your coding logic and problem-solving skills through hands-on practice with HackerRank SQL exercises.

  1. Topics
  2. Development
  3. HackerRank Challenges
Also indexed asHackerRank SQL · Coding Practice · SQL Exercises
Courses indexed
8
Live offers
5

Catalog controls

Java Latest Edition 2026 with HackerRank Exercises
Instructor Dev | Sr. Software Engineer @Full-Stack
Dev | Sr. Software Engineer @Full-Stack
1 course
English
Java Latest Edition 2026 with HackerRank Exercises

Java Latest Edition 2026 with HackerRank Exercises

(4.28 with 25 reviews)
Filters

8

Results

5

Live offers

Price & availability

Course Type

Sort by

Last Course Update

Only < 1 year

Level

Duration

Rating

Languages

Filters

8

Results

2.0K
students
4.3 hours
content
Apr 2026
updated
$14.99
[SerTop] Algoritmos e Lógica - I
Instructor Estía Training
Estía Training
1 course
Portuguese
[SerTop] Algoritmos e Lógica - I

[SerTop] Algoritmos e Lógica - I

(4.65 with 12.8K reviews)
210.3K
students
7.3 hours
content
Jan 2021
updated
$14.99
SQL HackerRank Challenge: Get Gold star & 670 points
Instructor Start-Tech Trainings
Start-Tech Trainings
1 course
English
SQL HackerRank Challenge: Get Gold star & 670 points

SQL HackerRank Challenge: Get Gold star & 670 points

(4.59 with 143 reviews)
18.4K
students
12 hours
content
Feb 2026
updated
$14.99
Apprendre le langage SQL de A à Z avec Hackerrank (partie 3)
Instructor Amine Baïna
Amine Baïna
1 course
French
Apprendre le langage SQL de A à Z avec Hackerrank (partie 3)

Apprendre le langage SQL de A à Z avec Hackerrank (partie 3)

(4.00 with 1 reviews)
217
students
31 minutes
content
Dec 2024
updated
FREE
Apprendre le langage SQL de A à Z avec Hackerrank (partie 2)
Instructor Amine Baïna
Amine Baïna
1 course
French
Apprendre le langage SQL de A à Z avec Hackerrank (partie 2)

Apprendre le langage SQL de A à Z avec Hackerrank (partie 2)

(5.00 with 3 reviews)
317
students
30 minutes
content
Dec 2024
updated
FREE
Apprenez Python Facilement avec Sololearn et Hackerrank
Instructor Amine Baïna
Amine Baïna
1 course
French
Apprenez Python Facilement avec Sololearn et Hackerrank

Apprenez Python Facilement avec Sololearn et Hackerrank

(4.38 with 4 reviews)
411
students
32 minutes
content
Dec 2024
updated
FREE
Pratiquez le langage SQL facilement avec Hackerrank
Instructor Amine Baïna
Amine Baïna
1 course
French
Pratiquez le langage SQL facilement avec Hackerrank

Pratiquez le langage SQL facilement avec Hackerrank

(3.00 with 2 reviews)
161
students
37 minutes
content
Feb 2025
updated
FREE
Apprendre le langage SQL de A à Z avec Hackerrank (partie 4)
Instructor Amine Baïna
Amine Baïna
1 course
French
Apprendre le langage SQL de A à Z avec Hackerrank (partie 4)

Apprendre le langage SQL de A à Z avec Hackerrank (partie 4)

(4.50 with 1 reviews)
255
students
30 minutes
content
Dec 2024
updated
FREE

Continue exploring

Topics related to HackerRank Challenges

  • SQL Querying & Programming570 courses7 live coupons
  • Data Science Fundamentals197 courses4 live coupons
  • Data Management Systems460 courses2 live coupons
  • Java Skills & Assessment9 courses
  • Pseudocode Mastery11 courses