1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$ACCESS to V$HVMASTER_INFO
  4. V$CONTAINER_TOPOLOGY

8.139 V$CONTAINER_TOPOLOGY

V$CONTAINER_TOPOLOGY displays information about the containers associated with the current instance.

Column Datatype Description

INSTANCE_NUMBER

NUMBER

Instance number, as specified by the INSTANCE_NUMBER initialization parameter for the database in which the container resides

CON_NAME

VARCHAR2(128)

Container name

OPEN_MODE

VARCHAR2(10)

Open mode for the container:

  • MIGRATE

  • MOUNTED

  • READ ONLY

  • READ WRITE

CPU_COUNT

NUMBER

CPU count, as specified by the CPU_COUNT initialization parameter for the container

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

IS_HYBRID_READ_ONLY

VARCHAR2(3)

Reserved for future use

Note:

This view is available starting with Oracle Database 21c.