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Data Science

Data science is the study of data to extract meaningful insights for business. It is a multidisciplinary approach that combines principles and practices from the fields of mathematics, statistics, artificial intelligence, and computer engineering to analyze large amounts of data.

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Topics to be covered


Introduction to Data Science


Data Collection and Cleaning


Data Exploration and Visualization


Data Manipulation and Analysis


Machine Learning Basics


Supervised Learning Algorithms


Unsupervised Learning Algorithms


Model Selection and Evaluation


Natural Language Processing (NLP)


Time Series Analysis

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7 Exceptional Platforms for Skill Refinement: Mastering SQL

Unlock the power of SQL and take your data management and analysis skills to the next level with these seven exceptional platforms. Whether you're a beginner looking to get started or an experienced SQL pro aiming for mastery, our blog explores the top online resources that offer comprehensive courses, hands-on projects, and expert guidance. Elevate your SQL game and open up new opportunities in the world of data with these platforms. Dive into our in-depth review and find the perfect fit for your SQL journey.

Crypto Currency

Data Science




Develearn Technologies

3 minutes

September 30, 2023

An annoyed catIntroduction

Modern data management and analysis are built on the foundation of Structured Query Language (SQL). The number of platforms available to those looking to improve their SQL competence is vast, and this is due to the fact that SQL’s importance in the IT and business worlds is always expanding. This blog article explores seven of the best platforms for practicing and honing your SQL abilities while appealing to both newcomers and seasoned practitioners.


SQLZoo is a great place to start if you’re new to the world of SQL. The web-based interface of this interactive platform has a number of lessons and activities that cover a variety of SQL principles. It is ideal for novices looking to understand essential topics practically due to its unique feature of performing SQL queries straight in your browser.


LeetCode, which is well known for its coding difficulties, goes beyond algorithms and data structures by providing a thorough assortment of SQL issues. These issues range from simple queries to complex database architecture situations. For anyone attempting to solve real-world data issues, LeetCode’s SQL challenges are useful, and the additional advantage of community debates and solution sharing encourages a variety of learning experiences.


A site known for its coding challenges, HackerRank, has a robust SQL area with a range of problems. Your SQL abilities will logically grow as you complete tasks at varying ability levels. Particularly notable are the interview preparation kits, which are essential for those seeking data-focused employment and efficiently educate people to shine in technical interviews that examine SQL abilities.

Analytics mode:

Mode Analytics integrates learning with actual data analysis for a more engaging experience. The software provides a SQL-based notebook environment in addition to SQL courses and interactive exercises. Users may utilize SQL syntax in this scenario to not only comprehend it but also to use it to draw conclusions from actual datasets. The divide between theoretical understanding and practical application is closed by this dual strategy.

Stratospheric Scratch:

By providing business-focused challenges based on actual situations, Strata Scratch elevates learning SQL to a practical level. Users acquire exposure to the difficulties encountered by analysts and data scientists by engaging with a selected set of SQL tasks inspired by data-driven companies. The learning experience is made more genuine by running queries against a database containing real data.


Codecademy provides an introductory SQL course that covers the fundamentals of SQL syntax and database management and was created with beginners in mind. The platform’s interactive coding environment promotes practical application, which is crucial for solidifying conceptual understanding. A defined curriculum enables users to move progressively from fundamental ideas to complex query contexts.


SQL courses from major colleges and organizations throughout the globe are available on Coursera in a variety of topics. These extensive courses often contain projects, quizzes, and video lectures that enhance learning. Because of its engaging courses and certification options, Coursera is positioned as an all-inclusive resource for those looking to improve their SQL expertise.

An annoyed cat


Finally, a variety of platforms catering to various learning styles and ability levels have expedited the process of understanding SQL. These seven platforms provide a wealth of options for skill development, whether you’re new to the world of databases or a seasoned expert looking to expand your talents. It’s crucial to keep in mind that regular practice and practical application are essential for properly understanding SQL and maximizing its potential in the field of data administration and analysis.

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