Software Alternatives, Accelerators & Startups

SQLZOO VS StrataScratch

Compare SQLZOO VS StrataScratch and see what are their differences

SQLZOO logo SQLZOO

SQLZoo includes tutorials and reference to support people learning SQL. It features:

StrataScratch logo StrataScratch

StrataScratch is a data science interview platform that has over 1000+ real interview questions from top tech companies like Facebook, Amazon, Google, and more.
  • SQLZOO Landing page
    Landing page //
    2022-05-04
  • StrataScratch Landing page
    Landing page //
    2023-05-13

SQLZOO features and specs

  • Comprehensive tutorials
    SQLZOO offers a wide range of tutorials covering various SQL topics, from basic to advanced levels, helping users to build a solid understanding of SQL.
  • Interactive learning
    The platform allows users to execute SQL queries directly within the tutorial, providing immediate feedback and a hands-on learning experience.
  • Diverse database support
    SQLZOO covers multiple SQL dialects and database systems, such as MySQL, PostgreSQL, and SQL Server, making it versatile for different learners.
  • Free resource
    SQLZOO is a free-to-use platform, accessible to anyone with an internet connection, making it an excellent resource for self-learners.

Possible disadvantages of SQLZOO

  • Outdated interface
    The website's interface can appear outdated, which might detract from the user experience and make navigation less intuitive.
  • Limited depth
    While SQLZOO covers a broad range of topics, it may not delve deeply into each subject, potentially requiring users to seek additional resources for advanced concepts.
  • Mixed user feedback
    Some users have reported that certain exercises or explanations can be confusing or unclear, which might be challenging for beginners.
  • No formal certification
    SQLZOO does not offer any certification upon completion, which might be a drawback for users looking to validate their skills formally.

StrataScratch features and specs

No features have been listed yet.

Analysis of StrataScratch

Overall verdict

  • StrataScratch is a solid, well-regarded platform for practicing real-world data science and SQL interview questions, offering a large question bank sourced from actual company interviews.

Why this product is good

  • Large library of real interview questions from companies like Amazon, Google, Meta, and Netflix
  • Strong focus on SQL and Python coding challenges relevant to data science and analytics roles
  • Provides detailed solutions, explanations, and community discussions to aid learning
  • In-browser coding environment lets you test queries and code without local setup
  • Questions are categorized by difficulty and topic, making structured practice easier
  • More affordable than many bootcamps or specialized interview prep courses

Recommended for

  • Aspiring data scientists and data analysts preparing for job interviews
  • Professionals looking to sharpen their SQL and Python data-manipulation skills
  • Job seekers targeting FAANG and other tech companies' data roles
  • Students and self-learners who want hands-on, practical problem sets
  • Anyone wanting to practice with real company interview questions rather than abstract exercises

SQLZOO videos

SQLZOO Select from Nobel

More videos:

  • Review - SQLZOO Select Names

StrataScratch videos

Practice Writing SQL Queries on StrataScratch | How to Solve SQL Queries

More videos:

  • Review - Amazon SQL Interview Question for Data Scientists and Data Analysts (StrataScratch 10322)

Category Popularity

0-100% (relative to SQLZOO and StrataScratch)
Online Learning
88 88%
12% 12
Interview Preparation
0 0%
100% 100
Online Courses
100 100%
0% 0
Online Education
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare SQLZOO and StrataScratch

SQLZOO Reviews

13 Sites to Learn How to Code for Web Developers
Structured Query Language (SQL) is just a language purely designed to store and retrieve data from a database, so imagine the boredom you will experience when programming a warehouse. Yet SQLZOO wants you to learn SQL happily with its interactive interface and smileys.

StrataScratch Reviews

Best Alternatives to LeetCode For Data Science
StrataScratch offers free data science interview questions and continues to release interview questions when they come out from companies. This ensures that you are always practicing your data science skills on questions that are currently appearing on data science interviews at various companies. StrataScratch is designed to be the ideal resource for preparing data science...

Social recommendations and mentions

Based on our record, SQLZOO should be more popular than StrataScratch. It has been mentiond 20 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.

SQLZOO mentions (20)

View more

StrataScratch mentions (4)

  • Best one-stop-shop for SQL for data analysis / science?
    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
  • Recommendations for Learning SQL
    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
  • How do i practice SQL to be real world ready?
    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
  • Brushing up on SQL for a job interview
    If you want some practice interview questions, check out DataLemur and/or StrataScratch. They helped me immensely in preparing for technical interviews. Source: about 3 years ago

What are some alternatives?

When comparing SQLZOO and StrataScratch, you can also consider the following products

SQLBolt - SQLBolt provides a set of interactive lessons and exercises to help you learn SQL

LeetCode - Practice and level up your development skills and prepare for technical interviews.

Egghead - Learn the best JavaScript tools and frameworks from industry pros. Video tutorials for badass web developers.

DataLemur - Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.

Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, weโ€™ve taught over 45 million people using a tested curriculum and an interactive learning environment.

Datacamp - DataCamp is a massive open online course (MooC) platform that helps everyone from novices to experts hone their skills with data science.