Data Warehouse vs Data Lake
A side-by-side comparison of data warehouses and data lakes, when to use each, and why modern systems use both together.
Topic: Data Engineering
5
Essays
Generator File Streaming
Read large files one row at a time using PHP generators for constant memory usage.
Batch Insert Pattern
Buffer database inserts and flush in batches for dramatically faster data loading.
Data Lake
A storage system for raw data in any format, where structure is applied at query time, not at ingestion.
Data Warehouse
A database optimized for analytical queries, where data is structured and validated before storage.