7.85 V$AW_OLAP
V$AW_OLAP
provides a record of active sessions and their use with analytic workspaces.
A row is generated whenever an analytic workspace is created or attached. The first row for a session is created when the first command is issued. It identifies the SYS.EXPRESS
workspace, which is attached automatically to each session. Rows related to a particular analytic workspace are deleted when the workspace is detached from the session or the session ends.
Column | Datatype | Description |
---|---|---|
|
|
A unique numeric identifier for a session |
|
|
A unique numeric identifier for an analytic workspace. To get the name of the analytic workspace, join this column to the |
|
|
|
|
|
The generation of an analytic workspace. Each UPDATE creates a new generation. Sessions attaching the same workspace between UPDATE commands share the same generation. |
|
|
The number of pages stored in temporary segments for the analytic workspace. |
|
|
The number of times data has been read from a temporary segment and not from the page pool. |
|
|
The number of times data has been read from the table where the analytic workspace is stored (the permanent LOB). |
|
|
The number of pages in the page pool that have been modified in this analytic workspace. |
|
|
The number of pages in the page pool that have not been modified in this analytic workspace. |
|
|
The ID of the container to which the data pertains. Possible values include:
|