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v5.0

Documentation:v5.0

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Schemas

The following table describes the schemas of MogDB.

Table 1 Schemas supported by MogDB

Schema Description
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 MogDB .
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.
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