Data lakes and lakehouses are two modern storage architectures designed to manage the growing demand for data management across structured and unstructured formats. A data lake stores raw data in its native format, offering flexibility and scalability ideal for advanced analytics and machine learning, while a lakehouse combines the cost-efficiency of data lakes with the structure and reliability of data warehouses. Lakehouses excel in unified workflows and governance, making them suitable for industries like finance and healthcare. Tools like Acceldata enhance these architectures by providing robust data observability, ensuring data accuracy, reliability, and performance at scale.