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Oracle Directory Server Enterprise Edition Reference 11 g Release 1 (11.1.1.5.0) |
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Oracle Directory Server Enterprise Edition Reference 11 g Release 1 (11.1.1.5.0) |
1. Directory Server Enterprise Edition File Reference
Software Layout for Directory Server Enterprise Edition
Directory Server Instance Default Layout
Directory Proxy Server Instance Default Layout
Part I Directory Server Reference
4. Directory Server LDIF and Search Filters
6. Directory Server Monitoring
7. Directory Server Replication
8. Directory Server Data Caching
11. Directory Server Groups and Roles
12. Directory Server Class of Service
14. Directory Server Internationalization Support
Part II Directory Proxy Server Reference
15. Directory Proxy Server Overview
16. Directory Proxy Server Load Balancing and Client Affinity
17. Directory Proxy Server Distribution
18. Directory Proxy Server Virtualization
Additional Virtual Data View Properties
Primary and Secondary Data Views
Additional Secondary Data View Properties
How Directory Proxy Server Handles Read and Write Operations to Join Data Views
Virtual Data Transformations on Join Data Views
Features of Coordinator Data View
JDBC Data Sources and Data Source Pools
Case Sensitivity in JDBC Data Views
Access Control On Virtual Data Views
Virtual ACI Storage and Access
Virtual Data Views and LDAP Groups
19. Connections Between Directory Proxy Server and Backend LDAP Servers
20. Connections Between Clients and Directory Proxy Server
21. Directory Proxy Server Client Authentication
22. Security in Directory Proxy Server
23. Directory Proxy Server Logging
A virtual data view is essentially a physical data view on which certain transformation actions have been defined. The transformation actions take place in real time, to create the virtual data view. The following figure shows how transformation actions are defined on a physical data view to create a virtual data view.
Figure 18-1 Virtual Data View
In addition to the transformation actions, certain properties can be defined on a data view, which restrict the way in which data can be managed through that data view. The additional virtual data view properties are described in Additional Virtual Data View Properties.
 | Caution - Virtual data views imply a performance impact. The significance of the performance impact depends on several factors including the size of the physical data source, the complexity of the transformation, and the complexity of any virtual ACIs you might use. |
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