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Oracle 视图 V$QUARANTINE_SUMMARY 官方解释，作用，如何使用详细说明

本站中文解释

Oracle视图V$QUARANTINE_SUMMARY是Oracle系统中重要的系统视图，主要包含数据库中被隔离出来(Isolated)的脏数据表和它们的日志数据量统计。V$QUARANTINE_SUMMARY针对于数据库中所有被隔离的表的信息统计，当某一张表被隔离出来，V$QUARANTINE_SUMMARY立刻记录并记录隔离表的状态、容量等信息，同时也可以查看隔离表日志的数据量情况。

使用V$QUARANTINE_SUMMARY视图可以更加方便的查看和统计数据库中被隔离出来的表格。可以通过执行以下SQL语句查询隔离表的统计信息：

SELECT TABLE_NAME, ISOLATION_COUNT, ISSUE_COUNT, REJECT_COUNT, ISOLATION_SIZE, ISSUE_SIZE, REJECT_SIZE
FROM V$QUARANTINE_SUMMARY
WHERE ISOLATION_COUNT > 0;

官方英文解释

V$QUARANTINE_SUMMARY provides a summary of quarantine for each pluggable database (PDB).

Column Datatype Description

OBJECT_COUNT

NUMBER

Number of objects in quarantine

OBJECT_LIMIT

NUMBER

Limit on the number of objects that can be in quarantine before an abort will occur

MEMORY_TOTAL

NUMBER

Number of bytes in quarantine

MEMORY_LIMIT

NUMBER

Limit on the amount of memory that can be in quarantine before an abort will occur

RECENT_COUNT

NUMBER

Number of objects recently placed in quarantine (within the last hour)

RECENT_LIMIT

NUMBER

Limit on the number of recently quarantined objects before an abort will occur

CON_ID

NUMBER

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

See Also:

“V$QUARANTINE” for additional details on objects recently placed into quarantine


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