Inspired by the 1BR Challenge, I wanted to see how much it would cost to transfer 1 billion rows from Postgres to Snowflake. Moving 1 billion rows is no easy task. The process involves not just the transfer of data but ensuring its integrity, error recovery and consistency post-migration. Central to this task is the selection of tools and techniques. We will discuss the use of open-source tools, customized scripts, ways to read data from Postgres, and Snowflake’s data loading capabilities. Key a...