StrataScratch
LeetCode
DataLemur
Datacamp
HackerRank
Codecademy
SQLMaxx
SkillVee
QuickStart Admin
QuickStart Admin is a web-based solution for the comprehensive management of Employees' daily tasks and schedules. This time and cost-saving time & billing application improves organization efficiency and gives complete control of projects by providing real-time reporting. QuickStart Admin is a complete Office automation process for an organization.
StrataScratch
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Based on our record, StrataScratch should be more popular than QuickStart Admin. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
StrataScratch is focused on providing data analysis/science resources needed to land a job and resources for the first few years of your career. It has 600+ coding questions from real interviews where you can use SQL, python, or R. It has 500+ questions about ML theory, product sense, probability, statistics, also from real interviews. There are data projects that come from take home assignments companies give... Source: about 3 years ago
I learned off of Mode Analytics SQL tutorial. It's free and I use it as a reference when I forget syntax. From there, my learning style is to grind on practical questions that I would get as a data analyst. So I would recommend stratascratch because all their questions are from real data science interviews which not only test for syntax but edge cases and business logic. Other platforms basically only test for... Source: about 3 years ago
There was a comment here about using Leetcode, Hackerrank, SQL fiddle, etc to keep learning SQL. However, if you're aim is to go into data analytics you need to go beyond learning syntax and understand edge cases and business context. You should grind on some data analytics/data science focused platforms like stratascratch and interviewquery. They have hundreds of questions with many free ones for your to practice. Source: about 3 years ago
If you want some practice interview questions, check out DataLemur and/or StrataScratch. They helped me immensely in preparing for technical interviews. Source: over 3 years ago
Not easy to maintain business activity, and you are worried about that, then I have a solution for you. Quick start admin provides a practice management system with this software. You can solve many problems like finance and employee activity and many other things to connect with us any time we are available 24/7 for you. Source: over 5 years ago
With one software, you can check employee performance and operations of the business, so if you are looking for that kind of software, then you can connect with QuickStart Admin. We provide practice management software. We provide services all around the globe, so content with us any time we are available 24/7. Source: over 5 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
DataLemur - Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
Datacamp - DataCamp is a massive open online course (MooC) platform that helps everyone from novices to experts hone their skills with data science.
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, weโve taught over 45 million people using a tested curriculum and an interactive learning environment.
SQLMaxx - Learn SQL that sticks. SQLMaxx runs an engine that watches every answer, figures out how well you know each concept, and brings it back for review right before you would forget it. What you learn stays learned, and you know when you have it.