V$MEMORY_DYNAMIC_COMPONENTS displays information about the dynamic SGA components. This view summarizes information based on all completed SGA resize operations since instance startup. All sizes are expressed in bytes.
Current size of the component
Minimum size of the component since instance startup
Maximum size of the component since instance startup
Value of the user parameter for the component
Number of operations since instance startup
Last completed operation for the component:
Mode of the last completed operation:
Start time of the last completed operation
Granularity of the GROW or SHRINK operation
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