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 |