Turn Google Sheets into a Petabyte Lakehouse with Sub-Second ACID Queries. Abstract Google Sheets faces severe scalability bottlenecks when handling large enterprise datasets, including a strict 10-million cell limit, crippling CRUD latency, and Google Apps Script's execution and memory boundaries. This article presents IcebergApp , an open-source library bridging Google Workspace to Apache Iceberg lakehouses on Google Cloud. By utilizing BigQuery as a serverless query acc...