Schemas

blockchain

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.

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 openGauss .

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.