Basic Concepts and Terminology¶
- FE: Frontend - compute engine
- Blackhole - storeage engine
In Hologres, an instance is a cluster that contains multiple databases.
Hologres is fully compatible with Postgres. A database in Hologres is a set of schemas, which is the same with Postgres’s definition.
All the operations on tabels, functions, etc are inside a database.
Table is the unit of data storage.