What is ODS (operational Data Store)

what is ODS.

The ODS (Operational data Store) is an optional part of the Data Warehouse architecture that has some of the features of the data warehouse and some of the features of the OLTP system, what is a data lake which are "topic-oriented, integrated, current, or near-current, changing" data.data lake 

ODS is a theme-oriented, integrated, variable, and current collection of detail data that supports the enterprise's need for instant, operational, azure data lake integrated, and all-in-one information. Kimball definition of ODS (<< Data Warehouse life cycle toolset >>):

– Integration in an operational system for current, historical, intel rocket lake release date and other detail queries (part of the business system) – data lake architecture aws data lake providing current detail data for decision support (part of the Data Warehouse)

The overall structure of the ODS of a bank:data lake vs data warehouse