May 06, 2020 Connect to RMAN base catalog and perform UPGRADE CATALOG after the VPD privileges are granted. After UPGRADE CATALOG is performed for the base catalog schemas a cleanup of VPC schemas has to take place for that the RMAN base catalog schema names have to be supplied as command line parameters.
RMAN provides scripts, located in the $ORACLEHOME/rdbms/admin directory, to upgrade virtual private catalogs. To upgrade existing virtual private catalogs to Oracle Database 12c Release 1 (12.1.0.2): 1. Use SQL.Plus to connect to the recovery catalog database as the SYS user with SYSDBA privilege.

(System) Catalog Views or Data Dictionary Views Video to wma converter free download. (or sometimes tables) are standard views (or tables) in most relational databases that provide access to metadata - information about schema, security, etc. Each engine has its specific set of views.

Typical views

tables
columns
foreign keys

See more in: Metadata in relational databases

Rdbms Admin Catalog Sql Command

What Is Rdbms

Database catalogs

Rdbms Admin Catalog Sql Queries

Database	Catalog	Schema	Prefix
SQL Server	System Catalog Views	sys
Azure SQL Database	System Catalog Views	sys
Oracle	Data Dictionary Views / Catalog Views	SYS	ALL_, USER_, DBA_
MySQL	Information schema	information_schema
PostgreSQL	System Catalogs	pg_
IBM Db2	Catalog views	SYSCAT
MariaDB	Information schema	information_schema
Amazon Redshift	System Catalog Tables	pg_
Teradata	Data Dictionary Views	DBC
Snowflake	Information schema	information_schema
SAP/Sybase ASE	System Tables	sys
SAP HANA	System Views	sys
Vertica	System Tables	v_catalog
IBM Informix	System Catalog Table	informix	sys
SQLite	System Table	sqlite_master
Firebird	System Tables	RDB$
Interbase	System Tables	RDB$