A data warehouse follows a schema-on-write approach, whereas a data lake follows a schema-on-read approach. In the schema-on-write model, tables are created ahead of time to store data.

A quick quide to shifting from data warehouse, data lake or legacy systems to a data lakehouse without disrupting business applications.

Part 5 of CRN’s 2023 Big Data 100 takes a look at the vendors solution providers should know in the data warehouse and data lake systems and services space.