Stores the user history table that is automatically created when a tamper-proof table is created in the ledger database.
cstore
Stores auxiliary tables related to column-store tables, such as CUDesc and Delta tables.
db4ai
Manages data of different versions in AI training.
NOTE:
In the Lite scenario, the AI capabilities of openGauss are unavailable.
dbe_perf
Diagnoses performance issues and is also the data source of WDR snapshots. After a database is installed, only the initial user and monitoring administrator have permission to view views and functions in this schema by default.
dbe_pldebugger
Debugs PL/pgSQL functions and stored procedures.
snapshot
Manages data related to WDR snapshots. By default, the initial user or monitoring administrator can access the data.
sqladvisor
Is used for distribution column recommendation and is unavailable in .
pg_catalog
Maintains system catalog information, including system catalogs and all built-in data types, functions, and operators.
pg_toast
Stores large objects (for internal use).
public
Public schema. By default, created tables (and other objects) are automatically put into this schema.
pkg_service
Manages information about the package service.
information_schema
Stores information about objects defined in the current database.