Oracle 视图 ALL_VIEWS_AE 官方解释,作用,如何使用详细说明
本站中文解释
ALL_VIEWS_AE视图是Oracle的一种定义数据库视图的方法,可以将一些重复使用的查询语句放在一个存储在数据库中的视图上,这样,在后续使用时可以直接引用该视图,而不用再次输入完整的查询语句。
具体使用方法:
1、在ALL_VIEWS_AE视图表中创建视图。
2、把所需要的SQL语句以SELECT开头作为视图的定义语句,放入视图表中。
3、要查询视图,只需使用SELECT *FROM ViewName即可得到正确的结果。
官方英文解释
ALL_VIEWS_AE
describes the views (across all editions) accessible to the current user.
Related Views
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DBA_VIEWS_AE
describes all views (across all editions) in the database. -
USER_VIEWS_AE
describes the views (across all editions) owned by the current user. This view does not display theOWNER
column.
Column | Datatype | NULL | Description |
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Owner of the view |
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Name of the view |
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Length of the view text |
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View text. The |
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View text. This column may truncate the view text. The |
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Length of the type clause of the typed view |
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Type clause of the typed view |
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Length of the |
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Owner of the type of the view if the view is an typed view |
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Type of the view if the view is a typed view |
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Name of the superview, if the view is a subview |
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Indicates whether the view is an editioning view ( |
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Indicates whether the view is read-only ( |
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Name of the application edition where the object is defined |
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Indicates whether the view contains container-specific data. Possible values:
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Possible values:
For more information about the syntax and semantics of the |
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The ID of the container where the data originates. Possible values include:
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Default collation for the view |
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Indicates whether the view is enabled for |
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Indicates whether the view is enabled for use with the |
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Indicates whether the view is enabled for fetching an extended data link from the root ( |
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For internal use only |
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Indicates whether the view has one or more sensitive columns ( |
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Indicates whether the view admits null |
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For internal use only |
See Also:
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“DBA_VIEWS_AE”
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“USER_VIEWS_AE”