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 Weather Observation Station 4 query 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 Problem – Weather Observation Station 4 query in SQL – Hacker Rank Solution
Weather Observation Station 4 query in SQL – Hacker Rank Solution
Problem:
Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table.
The STATION table is described as follows:
where LAT_N is the northern latitude and LONG_W is the western longitude.
For example, if there are three records in the table with CITY values ‘New York’, ‘New York’, ‘Bengalaru’, there are 2 different city names: ‘New York’ and ‘Bengalaru’. The query returns , because .
Weather Observation Station 4 query in SQL – Hacker Rank Solution
select count(city) - count(distinct city) from station;
Hey there would you mind letting me know which webhost you’re working with? I’ve loaded your blog in 3 different internet browsers and I must say this blog loads a lot faster then most. Can you suggest a good web hosting provider at a honest price? Thanks a lot, I appreciate it!
Great web site. Lots of useful info here. I am sending it to a few friends ans also sharing in delicious. And certainly, thank you for your effort!
I really like your writing style, superb info, thank you for putting up :D. “God save me from my friends. I can protect myself from my enemies.” by Claude Louis Hector de Villars.
I like the valuable info you provide on your articles. I will bookmark your blog and check again right here regularly. I’m moderately certain I will learn many new stuff right right here! Best of luck for the following!
I am so happy to read this. This is the kind of manual that needs to be given and not the accidental misinformation that’s at the other blogs. Appreciate your sharing this greatest doc.
Lovely site! I am loving it!! Will come back again. I am bookmarking your feeds also
I have been checking out a few of your stories and i can state pretty clever stuff. I will definitely bookmark your site.
Thanks for some other informative site. The place else may I get that type of info written in such a perfect way? I’ve a challenge that I am simply now working on, and I have been on the look out for such info.
Yeah bookmaking this wasn’t a bad determination great post! .
Aw, this was a really nice post. In idea I wish to put in writing like this moreover – taking time and actual effort to make a very good article… however what can I say… I procrastinate alot and by no means seem to get something done.
I’d have to examine with you here. Which is not one thing I usually do! I take pleasure in reading a post that may make folks think. Additionally, thanks for permitting me to comment!
Thanks a bunch for sharing this with all of us you really know what you’re talking about! Bookmarked. Kindly also visit my web site =). We could have a link exchange agreement between us!
I really like your writing style, good info, thank you for putting up :D. “Let every man mind his own business.” by Miguel de Cervantes.
Loving the info on this site, you have done outstanding job on the articles.
Thank you, I’ve just been looking for info about this topic for a while and yours is the best I have found out till now. However, what concerning the conclusion? Are you certain about the source?
I?¦ll right away seize your rss as I can’t in finding your email subscription hyperlink or e-newsletter service. Do you have any? Please permit me understand in order that I may subscribe. Thanks.
Thanks for sharing superb informations. Your web site is so cool. I am impressed by the details that you’ve on this website. It reveals how nicely you understand this subject. Bookmarked this website page, will come back for more articles. You, my friend, ROCK! I found simply the info I already searched everywhere and just couldn’t come across. What a great site.
Thanks for the sensible critique. Me and my neighbor were just preparing to do some 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.
Wow! Thank you! I always wanted to write on my blog something like that. Can I take a fragment of your post to my website?
This is the right blog for anyone who wants to find out about this topic. You realize so much its almost hard to argue with you (not that I actually would want…HaHa). You definitely put a new spin on a topic thats been written about for years. Great stuff, just great!
oral cialis 10mg cialis 10mg for sale online ed medications
brand cefadroxil 250mg finasteride 1mg for sale buy finasteride 5mg online
purchase diflucan pills diflucan pills ciprofloxacin 500mg us
order estrace 1mg pills buy lamictal 200mg buy prazosin 2mg pills
order flagyl for sale buy bactrim medication purchase cephalexin pill
avana ca buy tadacip cheap diclofenac 50mg over the counter
oral tamoxifen 10mg brand cefuroxime buy ceftin pill
indocin 75mg brand buy terbinafine no prescription buy generic cefixime
buy bimatoprost generic purchase robaxin generic buy desyrel 100mg without prescription
trimox 500mg brand buy trimox 500mg online biaxin cost
clonidine 0.1 mg pills tiotropium bromide us spiriva for sale online
cost sildenafil 50mg sildenafil 50mg without prescription sildenafil 50 mg
minocycline where to buy buy minocycline 100mg capsules actos 15mg sale
buy generic leflunomide buy leflunomide without a prescription order generic azulfidine
buy accutane generic accutane 20mg drug buy azithromycin pills
tadalafil price buy viagra 100mg pills tadalafil buy online
azipro 500mg tablet order azipro 250mg for sale buy neurontin paypal
stromectol brand stromectol 3mg sale order deltasone 10mg sale
lasix for sale lasix 40mg canada buy albuterol generic
Hello There. I found your blog using msn. This is a really well written article. I’ll be sure to bookmark it and come back to read more of your useful information. Thanks for the post. I will definitely comeback.
order generic vardenafil 10mg how to buy vardenafil order plaquenil 200mg sale
buy altace without a prescription order glimepiride 4mg without prescription etoricoxib 120mg for sale
brand levitra 10mg order vardenafil 10mg for sale order generic hydroxychloroquine
buy asacol for sale astelin cost irbesartan 150mg generic
order benicar sale buy verapamil cheap cheap depakote
buy clobetasol generic order clobetasol sale cordarone 200mg generic
Hi there! I could have sworn I’ve been to this website before but after reading through some of the post I realized it’s new to me. Anyhow, I’m definitely happy I found it and I’ll be bookmarking and checking back often!
oral acetazolamide buy generic isosorbide cheap azathioprine 50mg
Hiya, I’m really glad I have found this info. Today bloggers publish only about gossips and web and this is really irritating. A good website with interesting content, that is what I need. Thanks for keeping this web site, I’ll be visiting it. Do you do newsletters? Can not find it.
brand digoxin 250 mg buy lanoxin medication oral molnupiravir 200 mg
naproxen brand buy omnicef 300mg for sale buy prevacid 30mg without prescription
buy carvedilol without prescription buy cenforce tablets aralen price