Fastest Way to Load Data Into PostgreSQL Using Python

From two minutes to less than half a second! As glorified data plumbers, we are often tasked with loading data fetched from a remote source into our systems. If we are lucky, the data is serialized as JSON or YAML. When we are less fortunate, we get an Excel spreadsheet or a CSV file which is always broken in some way, can't explain it. Data from large companies or old systems is somehow always en