Database

Overview NoSQL databases are ubiquitous in the industry – a data scientist is expected to be familiar with these databases Here, we will see …

Overview We will discuss aggregation pipelines in MongoDB. We will see how to use the operator like the match, group, bucket, and facet.   …

Overview There are a plethora of data science tools out there – which one should you pick up? Here’s a list of over 20 …

Overview SQL is a mandatory language every analyst and data science professional should know Learn about the basics of SQL here, including how to …

Overview MongoDB is a popular unstructured database that data scientists should be aware of We will discuss how you can work with a MongoDB …

Overview Relational databases are ubiquitous, but what happens when you need to scale your infrastructure? We will discuss the role Spark SQL plays in …

Introduction SQL is a universal tool in data science. Irrespective of which language you use as your main tool – you need to know …

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 …

Overview Learn about DataFrames on the PySpark API DataFrames are a handy data structure for storing petabytes of data PySpark dataframes can run on …

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. …