How to Rename Columns in Polars
Renaming columns in Polars is a common task. In any given data pipeline, you may need to format the columns with certain case conventions or make the column names more user-friendly. We’ll walk through various ways that you can rename columns. Code Along We provide...
How to Use DataFramely to Validate Polars DataFrames
In today’s AI-driven world, clean data is absolutely essential. If you’re leveraging polars for data cleaning and manipulation, you’ll likely benefit from a new DataFrame validation library known as DataFramely. With this new library, you can build reliable data...
How to Use the Polars Cast Function
The Polars Cast Function lets you change column data types on a Polars DataFrame. There are several scenarios where you might need to change a column’s data type: Ensuring Compatibility: Some operations require specific data types. Optimizing Performance: Using...
How to Optimize Your SQL Server Queries with SARGability
One of my team members came to me recently and asked what he could do to make his query run faster. He was perplexed because there was an index on the table, but it was still running super slow. I tried to help him troubleshoot, but I found myself confused as well. We...