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Oracle® Database Reference
12c Release 1 (12.1)

E17615-24
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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