MongoDB in Python Tutorial for Beginners (using PyMongo)
Overview MongoDB is a popular unstructured database that data scientists should be aware of We will discuss how you can work with a MongoDB …
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Hands-On Tutorial to Analyze Data using Spark SQL
Overview Relational databases are ubiquitous, but what happens when you need to scale your infrastructure? We will discuss the role Spark SQL plays in …
42 Questions on SQL for all aspiring Data Scientists
Introduction SQL is a universal tool in data science. Irrespective of which language you use as your main tool – you need to know …
Top 28 Cheat Sheets for Machine Learning, Data Science, Probability, SQL & Big Data
Overview Data Science is constantly evolving with new tools, frameworks and technologies Each tool/technique has its own unique use case along with features and …
Complete Guide on DataFrame Operations in PySpark
Overview Learn about DataFrames on the PySpark API DataFrames are a handy data structure for storing petabytes of data PySpark dataframes can run on …
SQL commands for Commonly Used Excel Operations
Introduction Learning SQL after Excel couldn’t be simpler! I’ve spent more than a decade working on Excel. Yet, there is so much to learn. …
Getting Mongo-ed in NoSQL manager, R & Python
Introduction I started my journey on Analytics Vidhya (AV) as a follower. AV, and now especially the discussion portal, always stay open in one …
All out beginner’s guide to MongoDB
Introduction Necessity is the mother of innovation! This is an old proverb, but it still holds damn good! Last decade has pushed the boundaries …
Basics of SQL and RDBMS – must have skills for data science professionals
If you meet 10 people who have been in data science for more than 5 years, chances are that all of them would know …
Data Science trends 2015 to help you plan your learning!
2014 is coming to an end shortly. What a glorious year it has been for technology and data science! Constant change, better products, faster …
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