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Learn Polars Using Python - DataFrames For The New Era

Polars, Lazy Frames, DataFrames, Parallel Processing, Files, Database, Data Structures, Databases, Query Plan, ETL
Jim Macaulay
392 Students enrolled
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DataFrames For The New Era

Polars is written from the ground up with performance in mind. Its multi-threaded query engine is written in Rust and designed for effective parallelism. Its vectorized and columnar processing enables cache-coherent algorithms and high performance on modern processors.

You will feel right at home with Polars if you are familiar with data wrangling. Its expressions are intuitive and empower you to write code which is readable and performant at the same time.

Polars is and always will be open source. Driven by an active community of developers, everyone is encouraged to add new features and contribute. Polars is free to use under the MIT license.

The course is about performing ETL (Extract, Transform, Load) using Polars in Python. The course convers the basics of Polars, Data Structures in Polars such as Series, DataFrames, .., Expressions such as Select Functionality, Operators , Renaming the Columns/ Fields and Handling Nulls. Working with the Transformations such as Filter, Sort, Join, Pivot, Concatenate, Melts and Windowing Functions. 

Polars supports reading and writing to all common data formats. This allows you to easily integrate Polars with your existing data stack.

  • Text: CSV & JSON

  • Binary: Parquet, Delta Lake, AVRO & Excel

  • IPC: Feather, Arrow

  • Databases: MySQL, Postgres, SQL Server, Sqlite, Redshift & Oracle

  • Cloud storage: S3, Azure Blob & Azure File

How long do I have access to the course materials?
You can view and review the lecture materials indefinitely, like an on-demand channel.
Can I take my courses with me wherever I go?
Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
Course details
Video 3 hours
Lectures 1
Certificate of Completion

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