This article offers technical guidance on automating updates and tracking changes of data examples using Snowflake’s CDC capabilities. The examples will be using healthcare type data, but the basic tenets apply in most use cases.
Introduction
This article discusses how to use Snowflake’s streaming features to implement Change Data Capture (CDC). Using the framework of managing healthcare patient records, we will look at how to update current records, make a capture log table, and automate the process using Snowflake’s task functionality.
In healthcare, it’s important to have the most recent data available. Using Snowflake’s CDC, we can automatically record every