Malcom Okonkwo Profile picture
May 22 9 tweets 5 min read Twitter logo Read on Twitter
Hello Datafam,

So someone asked me where they can get to practice SQL so I would dropping links to platforms where you can practice SQL

Thread 🧵
1) Hackerrank @hackerrank

I have used this platform and I really loved using it. I also love that they reward with badges and stars as you make progress

check it out here: hackerrank.com/domains/sql
2) DataLemur @DataLemurHQ
I personally love this because they give standard interview questions that cuts across various industries. There are also level such as Easy, Medium and Hard so if you want to prepare for technical interviews, check it out

datalemur.com/sql-interview-…
3) LeetCode @LeetCode
Based on the reviews I have seen about this platform, I just started using it this morning. I am already flexing my SQL skills and you can flex yours too

Check it out here: leetcode.com/problemset/dat…
4) StrataScratch @StrataScratch
This platform is another highly rated practice platform for SQL interviews. Check out the platform to practice SQL questions for interview preparation

Check it out here: stratascratch.com
5) SQL-Practice
This platform offer SQL task with varying complexity. This is also nice for beginners because you get to practice and learn as well

Check it out here: sql-practice.com
If there is any platform you would recommend that someone that someone can practice SQL, please feel free to drop the links to the platform below
Do not forget to like and share because this might help someone that wants to practice what they have learnt in SQL

#data #datafam #DataAnalytics #SQL #database #DataScience
I am a data analyst. I tweet about data analytics, my learning journey, I share data analytics resources and I try to help people in the data space anyhow I can

Follow me if this is what interests you

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More from @malcom_okonkwo

May 21
Happy Sunday Everyone,

I think I am feeling well enough to make this tweet

So I want to share a small win here. I am participating in the Data Analytics Super League organized by @lighthall_co and I want to share that I advanced to level 3 in flying colors

Top of the table😁 ImageImage
The Level 2 challenge was a murder mystery challenge to find who the killer is and we were to solve the challenge using SQL

If you dug deeper you'd find out that there was someone who hired it.

Nothing complex but it was fun, felt like a detective 😊 ImageImage
My submission: drive.google.com/drive/folders/…

If you want to try it out yourself and have fun with SQL, check here
lighthall.co/challenge/cd01…

Thank you @lighthall_co and @thenaijacarguy for the challenge

it is getting really interesting and level 3 is not easy
Read 5 tweets
Feb 20
Have you been trying to improve your SQL skills but you don’t know the right resources to use

Have you been confused on which SQL resource to use to become very proficient

I’d love to share what I’ve used to learn SQL since I started my data journey last year
Okay first course I’d recommend which is the first course I took is the introduction to SQL course by IBM on @edXOnline . The course uses IBM db2. With this course, I got my first experience in solving problems with SQL. They have series of questions that I enjoyed solving
The course isn’t free so I took the course without getting a certificate but did it help?? Absolutely

The next course I took is the “Modern Big Data Analysis with SQL” on @coursera. The course started from the beginning and gradually went up covering concepts from …
Read 9 tweets

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