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.

SINGLETON VARCHAR2(3) Indicates whether the pipe is a singleton pipe (YES) or not (NO)
SHELFLIFE NUMBER

The shelf life time (in seconds) for a message in a singleton pipe

If the pipe is not a singleton pipe, then the value of this column is 0.

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.