10.21 V$SESSION_BLOCKERS
V$SESSION_BLOCKERS
displays the blocker sessions for each blocked session. Each row represents a blocked and blocker session pair. If a session is blocked by multiple sessions there will be multiple rows for that blocked session. The maximum number of blocker sessions displayed for a single blocked session is 30. If a session is not blocked by other sessions, then there will be no row in this view for that session.
Column | Datatype | Description |
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Blocked session's Oracle session identifier |
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Blocked session's Oracle session serial number |
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A number identifying the wait for the blocked session |
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Resource or event number for which the blocked session is waiting |
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Resource or event for which the blocked session is waiting |
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Blocker session's instance identifier |
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Blocker session's Oracle session identifier |
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Blocker session's Oracle session serial number |
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The ID of the container to which the data pertains. Possible values include:
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