1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$IM_COLUMN_LEVEL to V$RULE_SET_AGGREGATE_STATS
  4. V$PX_PROCESS

9.146 V$PX_PROCESS

V$PX_PROCESS contains information about the sessions running parallel execution.

Column Datatype Description

SERVER_NAME

VARCHAR2(4)

The name of the PX server (P000, P001, and so on)

STATUS

VARCHAR2(9)

The state of the PX server (IN USE or AVAILABLE)

PID

NUMBER

The process identifier

SPID

VARCHAR2(24)

Operating system process ID

SID

NUMBER

The session ID of the PX server, if in use

SERIAL#

NUMBER

The session serial number of the PX server, if in use

IS_GV

VARCHAR2(5)

Indicates whether a PX server process in parallel is a normal process or a GV$ process.

Possible values:

  • FALSE: The PX server process in parallel is a normal process

  • TRUE: The PX server process in parallel is a GV$ process

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