Oracle 视图 ALL_APPLY_DML_HANDLERS 官方解释,作用,如何使用详细说明
本站中文解释
Oracle 视图 ALL_APPLY_DML_HANDLERS 用于显示 Data Guard 环境中已注册的 DML 应用程序处理程序。这种应用程序处理程序允许在由保护程序执行的 Data Guard 复制中检测到数据更改并编写响应程序。
可以使用 ALL_APPLY_DML_HANDLERS 视图中列出的信息来检索已注册的应用程序处理程序,以及处理程序的行为。要查询该视图,可以使用以下句子:
SELECT * FROM all_apply_dml_handlers;
官方英文解释
ALL_APPLY_DML_HANDLERS
displays information about the DML handlers on the tables accessible to the current user.
Related View
DBA_APPLY_DML_HANDLERS
displays information about the DML handlers on all tables in the database.
Column | Datatype | NULL | Description |
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Owner of the object on which the DML handler is specified |
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Name of the object on which the DML handler is specified |
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Name of the DML operation for which the DML handler is used:
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Name of the user-specified DML handler, which handles row logical change records that contain the DML operation in the |
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Indicates whether the DML handler handles only the relevant row logical change records that result in apply errors ( |
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Database link to which changes are applied. If null, then changes are applied to the local database. |
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Name of the apply process for the given object |
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Indicates whether LOB assembly is used for LOB columns in logical change records (LCRs) processed by the handler ( LOB assembly combines multiple LCRs for a LOB column resulting from a single row change into one row LCR before passing the LCR to the handler. |
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Entity that set up the handler. Possible values include:
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See Also:
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“DBA_APPLY_DML_HANDLERS”
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Oracle Database XStream
Guide for more information about DML handlers in an Oracle XStream environment