9.123 V$TYPE_SIZE

V$TYPE_SIZE displays the sizes of various database components for use in estimating data block capacity.

Column Datatype Description

COMPONENT

VARCHAR2(8)

Component name, such as segment or buffer header

TYPE

VARCHAR2(8)

Component type

DESCRIPTION

VARCHAR2(32)

Description of the component

TYPE_SIZE

NUMBER

Size of the component

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