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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
Construction of Virtual Data Views
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
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
Coordinator Data View groups a sequence of data views so that they appear as a single data view. This grouping enables users to access entries that are stored in separate data views, without knowing where each entry is stored while performing operations. The data view automatically discovers where each entry is stored and performs operations on them.
When entities from two different sources are unified into a single name space, no distribution algorithm is used to locate entries that are still stored under separate data sources.
When naming services are deployed with a directory servers hierarchy, the queries would hit the local server first. If no matching entry is found, the query would contact a more global server.
When data is distributed among multiple data views, the Coordinator data view groups the distributed data views to appear as a single data view which can be further used as a primary or secondary data view in Join Data View. In this way, the Coordinator data view enables entry aggregation and distribution.
When the distribution key is not available in the query, the Coordinator data view routes the request to a distribution data view that further iterates across the distributed data views to locate the entry.
For all the configuration details, see Creating and Configuring Coordinator Data Views in Oracle Directory Server Enterprise Edition Administration Guide