Oracle9i Database Reference Release 1 (9.0.1) Part Number A90190-02 |
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Dynamic Performance (V$) Views, 157 of 211
This view lists session information for each current session.
Column | Datatype | Description |
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Session address |
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Session identifier |
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Session serial number. Used to identify uniquely a session's objects. Guarantees that session-level commands are applied to the correct session objects if the session ends and another session begins with the same session ID. |
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Auditing session ID |
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Address of the process that owns this session |
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Oracle user identifier |
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Oracle username |
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Command in progress (last statement parsed); for a list of values, see Table 3-3. These values also appear in the data dictionary view |
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The column contents are invalid if the value is For operations using Parallel Slaves, interpret this value as a 4-byte value. The low-order 2 bytes of which represent the session number, and the high-order bytes the instance ID of the query coordinator. |
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Address of transaction state object |
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Address of lock waiting for; NULL if none |
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Status of the session: |
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Server type ( |
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Schema user identifier |
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Schema user name |
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Operating system client user name |
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Operating system client process ID |
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Operating system machine name |
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Operating system terminal name |
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Operating system program name |
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Session type |
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Used with |
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Used with |
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Used with |
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Used with |
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Contains the name of the currently executing module as set by calling the |
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The hash value of the above |
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Contains the name of the currently executing action as set by calling the |
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The hash value of the above action name |
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Information set by the |
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This contains a number that increases every time the session completes a call to the database and there has been an intervening select from a dynamic performance table. This column can be used by performance monitors to monitor statistics in the database. Each time the performance monitor looks at the database, it only needs to look at sessions that are currently active or have a higher value in this column than the highest value that the performance monitor saw the last time. All the other sessions have been idle since the last time the performance monitor looked at the database. |
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Object ID for the table containing the ROWID specified in |
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Identifier for the datafile containing the ROWID specified in |
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Identifier for the block containing the ROWID specified in |
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The current ROWID being locked. This column is valid only if the session is currently waiting for another transaction to commit and the value of |
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Time of logon |
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The last call |
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This column has been replaced by column |
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Indicates whether and to what extent transparent application failover (TAF) is enabled for the session:
See Also:
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Indicates the transparent application failover method for the session: |
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Indicates ( |
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Name of the session's current resource consumer group |
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If |
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If |
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If |
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If queued ( |
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