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

7.162 V$DB_PIPES

V$DB_PIPES displays the pipes that are currently represented in the shared pool for this instance.

Column Datatype Description

OWNERID

NUMBER

Owner ID of the owner (if this is a private pipe), else NULL

NAME

VARCHAR2(1000)

Name of the pipe (for example, SCOTT.PIPE)

TYPE

VARCHAR2(7)

Type of the pipe:

  • PUBLIC

  • PRIVATE

PIPE_SIZE

NUMBER

Amount of memory the pipe uses

Note: The value of this column may be larger than maxpipesize because of an internal algorithm.

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

CON_NAME

VARCHAR2(64)

Container name of the object. The value of this column is NULL in non-CDBs.