SNAP_ID

NUMBER

NOT NULL

Unique snapshot ID

DBID

NUMBER

NOT NULL

Database ID for the snapshot

INSTANCE_NUMBER

NUMBER

NOT NULL

Instance number for the snapshot

NAME

VARCHAR2(64)

SGA component group

POOL

VARCHAR2(12)

Designates the pool in which the memory in NAME resides:

• shared pool - Memory is allocated from the shared pool

• large pool - Memory is allocated from the large pool

• java pool - Memory is allocated from the Java pool

• streams pool - Memory is allocated from the Streams pool

BYTES

NUMBER

Memory size (in bytes)

CON_DBID

NUMBER

The database ID of the PDB for the sampled session

CON_ID

NUMBER

The ID of the container that CON_DBID identifies. 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