Hai,
Repository is,
1. collective term referring to all database tables in which documents are stored
2. Administrative entity for mapping physical storage media.
3. Equivalent on the logical level is the category.
A physical document is identified by the document ID and a content category. The content category exists only at a purely logical level. Each content category is in turn assigned to a content repository, where the content repository is the physical counterpart of the content category. The content repositories enable physical storage. Various storage types are possible, for example, HTTP or R/3 database. The storage types, in turn, are assigned to concrete content servers, for example, an HTTP content server for the storage type HTTP.
Repositories have the following advantages over, for example, file systems:
A repository is abstracted from the physical storage location. Repositories can be created in the R/3 database, in SAP Content Servers, or in third-party content servers. This has the effect of decoupling the physical access information (server name, access protocol, TCP port, storage type (file system, table access, Web server)) from the logical data access procedure.
Regards,
Keerthika
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