The Blunder in SQL | HackerRank Programming Solutions | HackerRank SQL Solutions

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language SQL. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for The Blunder in SQL-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.

Introduction To SQL

SQL stands for Structured Query Language. SQL is used to create, remove, alter the database and database objects in a database management system and to store, retrieve, update the data in a database. SQL is a standard language for creating, accessing, manipulating database management system. SQL works for all modern relational database management systems, like SQL Server, Oracle, MySQL, etc.

  • It is a standard language for Relational Database System. It enables a user to create, read, update and delete relational databases and tables.
  • All the RDBMS like MySQL, Informix, Oracle, MS Access and SQL Server use SQL as their standard database language.
  • SQL allows users to query the database in a number of ways, using English-like statements.

Link for the ProblemThe Blunder SQL- Hacker Rank Solution

The Blunder SQL- Hacker Rank Solution


Samantha was tasked with calculating the average monthly salaries for all employees in the EMPLOYEES table, but did not realize her keyboard’s  key was broken until after completing the calculation. She wants your help finding the difference between her miscalculation (using salaries with any zeros removed), and the actual average salary.

Write a query calculating the amount of error (i.e.:  average monthly salaries), and round it up to the next integer.

Input Format

The EMPLOYEES table is described as follows:

1443817108 adc2235c81 1

Note: Salary is per month.



Sample Input

1443817161 299cc6eb7f 2

Sample Output



The table below shows the salaries without zeros as they were entered by Samantha:

1443817229 eb00d44a3b 3

Samantha computes an average salary of . The actual average salary is .

The resulting error between the two calculations is . Since it is equal to the integer , it does not get rounded up.

The Blunder SQL- Hacker Rank Solution
SELECT CEIL(AVG(Salary)-AVG(REPLACE(Salary,'0','')))

150 thoughts on “The Blunder in SQL | HackerRank Programming Solutions | HackerRank SQL Solutions”

  1. obviously like your web site but you have to check the spelling on several of your posts. Several of them are rife with spelling problems and I find it very bothersome to tell the truth nevertheless I’ll certainly come back again.

  2. Howdy would you mind stating which blog platform you’re working with? I’m looking to start my own blog soon but I’m having a difficult time selecting between BlogEngine/Wordpress/B2evolution and Drupal. The reason I ask is because your layout seems different then most blogs and I’m looking for something unique. P.S My apologies for being off-topic but I had to ask!

  3. Thank you for the sensible critique. Me & my neighbor were just preparing to do a little research on this. We got a grab a book from our area library but I think I learned more clear from this post. I’m very glad to see such fantastic info being shared freely out there.

  4. I’m not sure why but this site is loading extremely slow for me. Is anyone else having this problem or is it a problem on my end? I’ll check back later on and see if the problem still exists.

  5. you’re truly a good webmaster. The web site loading speed is amazing. It seems that you’re doing any distinctive trick. In addition, The contents are masterpiece. you have performed a magnificent activity in this topic!

  6. I am really enjoying the theme/design of your website. Do you ever run into any web browser compatibility issues? A couple of my blog readers have complained about my site not working correctly in Explorer but looks great in Opera. Do you have any recommendations to help fix this issue?

  7. What i don’t understood is actually how you are now not really much more neatly-favored than you may be right now. You are very intelligent. You understand thus significantly relating to this subject, produced me personally imagine it from so many varied angles. Its like women and men aren’t fascinated until it?¦s something to do with Woman gaga! Your individual stuffs outstanding. All the time handle it up!

  8. I love your blog.. very nice colors & theme. Did you create this website yourself? Plz reply back as I’m looking to create my own blog and would like to know wheere u got this from. thanks

  9. There are many types of creatives. We mainly analyze the trend of the ad creative category of Slotpark Casino Slots Online in the recent period. As of 2021-03-16, among the Slotpark Casino Slots Online‘s ad creative, the Html category’s proportion is 0.0%, Video category’s proportion is 92.86%, Playable Ads category’s proportion is 0.0%, Image category’s proportion is 7.14%, Carousel category’s proportion is 0.0%. To add a little more spice to our online social casino we frequently come up with promotions that are tailormade for our gamers. This also ensures that the odd round of gaming is free of charge. Moreover, we occasionally organise exciting tournaments and leaderboard games that give you the chance to win bonuses or vouchers (more Twists) as well as level-ups. Become a gaming pro at GameTwist and show the other players online what you’re made of! New here? Then register and join in the fun with a great Twist Welcome Bonus.
    We’ve divided our reviews into two sections: U.S. Friendly sites, and ROW (rest-of-world) sites. We’ve chosen to focus only on the best online poker sites and ignore smaller “fringe” sites, since funds might not be safe there and game integrity might be questionable. That said, if you have any questions feel free to contact us, as we do have opinions on pretty much every poker site in existence! After the World Poker Tour first launched in 2002, Foxwoods was a significant stop through the WPT’s first 10 seasons. From 2002 to 2011, Foxwoods hosted the $10,000 buy-in WPT World Poker Finals on an annual basis. The likes of Hoyt Corkins, Nick Schulman, and Jonathan Little were among the famous players who claimed titles and seven-figure prizes in the event. The tournament peaked in size in 2005 when the prize pool was an enormous $7.85 million.

  10. Hey! I just wanted to ask if you ever have any issues with hackers? My last blog (wordpress) was hacked and I ended up losing many months of hard work due to no backup. Do you have any solutions to protect against hackers?

  11. I was recommended this website by my cousin. I’m not sure whether this post is written by him as nobody else know such detailed about my trouble. You are incredible! Thanks!

  12. Die Marktkapitalisierung von Life Crypto (LIFE) beträgt $602.989 und steht heute auf Platz 2278 bei CoinGecko. Die Marktkapitalisierung ergibt sich aus der Multiplikation von Token-Kurs und Umlaufmenge von LIFE-Token (2,7 Milliarden verfügbare Token werden heute am Markt gehandelt). Über eine Börse oder einen Marktplatz können Bitcoins gekauft und verkauft werden. Der passende Zeitpunkt ist nicht nur für den Kauf von Bitcoins ein wichtiger Aspekt, sondern sicherlich auch für den Verkauf. Einsteiger sollten sich mit der Chartanalyse vertraut machen, dies ist auch für Anleger ratsam, die CFDs auf Bitcoins setzen möchten. Eine Anlagestrategie kann sich auch für den Handel mit Bitcoins sinnvoll zeigen. Durch die Nutzung der Chartanalyse können wichtige Informationen über die Kursentwicklung in Erfahrung gebracht werden.
    USD zu CNY For a better user experience and secure browsing, please upgrade to the newest version of Internet Explorer or other alternative. Insbesondere stellen Bitcoin Miner sicher, dass Bitcoin nicht dupliziert wird, typisch für eine Internetwährung, die als „Double-Spending“ bezeichnet wird. Damit nimmt das Bitcoin Mining eine wesentliche Rolle bei der Verarbeitung der Transaktionen ein und ohne die Miner wäre dies alles nicht möglich. Aber wie kann man Bitcoin Miner werden? Um seinen Nettolohn 2022 aufzubessern, gibt es einige Möglichkeiten. Zum einen haben Arbeitnehmer mit einem jährlichen Bruttolohn unter 73.000 Euro im Jahr in diesem Jahr generell mehr Netto, da sich der Wegfall des Solidaritätszuschuss positiv bemerkbar macht. Darüber hinaus lässt sich auch die Kirchensteuer durch einen Austritt aus der Kirche umgehen. So lassen sich jährlich mehrere hundert Euro sparen.

  13. 81 osób, w tym między innymi obywatele Maroka, Nigerii i Indii próbowało w sobotę nielegalnie przekroczyć granicę Polski – poinformowała Straż Graniczna. 11 z migrantów na widok polskiego patrolu zawróciło na stronę białoruską. Funkcjonariusze z Białowieży zostali obrzuceni kamieniami. Korzystając z naszego linku i rejestrując się przez niego w Ice Casino będziesz mógł skorzystać nie z jednego, ale aż dwóch promocji. Pierwsza to będzie ice casino bonus za rejestrację bez depozytu, drugi jest pakiet powitalny. Bonus za rejestrację naliczany jest automatycznie. Pakiet powitalny w Ice Casino jest bardzo bogaty. Cały składa się aż z 445% dopłaty, maksymalnie do 6,000 PLN i 270 darmowych spinów. Pakiet powitalny jest bonusem za depozyt i trzeba będzie doładować swoje konto odpowiednią ilością środków, aby móc wykorzystać go w pełni. Dzięki niemu jest możliwość wygrania większych pieniędzy przy niższej swojej wpłacie.
    Czy mogę grać we wszystkie gry kasynowe po wpłaceniu 10 euro w kasynie online? Najważniejsza wiadomość której poszukujesz: kasyno online z minimalną wpłatą 5 złotych to min. ukochane kasyno przez Polaków: Wazamba, 22bet, Bitstarz Dla wszystkich nowych graczy kasyno Spin Fever oferuje wspaniałą promocję – Powitalny Pakiet Bonusowy! Aby otrzymać tę promocję – wystarczy się zalogować i dokonać depozytu. Na pierwszy depozyt dostaniesz 100% i 50 free spinów, na drugi – 50% i 50 free spinów i na trzeci 50% oraz 100 free spinów. Pamiętajmy, że oferowany przez kasyno minimalny depozyt 10 zł (lub inna niewielka kwota) nie oznacza, że mamy do czynienia z jakąś odrębną kategorią platform hazardowych online. Oferta promocyjna w kasynach z niskim depozytem będzie więc prezentować się bardzo podobnie, jak ma to miejsce na witrynach wymagających większych wpłat.


Leave a Comment

Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker🙏.

Powered By
Best Wordpress Adblock Detecting Plugin | CHP Adblock