Metadata information is stored and managed by the data Dictionary, which is composed of base tables, and corresponding views.
元数据信息在DataDictionary中存储和管理，由基本表和相应的视图组成。
Metadata information is stored and managed by the data Dictionary, which is composed of base tables, and corresponding views.
元数据信息在DataDictionary中存储和管理，由基本表和相应的视图组成。
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