Oracle数据库数据恢复、性能优化

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发表于 2012-2-27 22:12:02 | 查看: 3641| 回复: 0
SecureFiles

Structured data: Tables/columns according to businessrules

Semi-structured data: XML, PDF etc

Unstructured data: Images, audio, video streams etc



Multiple data stores in IT datacenters

Relational databases – Structured Data

File systems – Semi-Structured and Unstructured data

Simplicity and performance of file systems makes itattractive to store file data in file systems, while keeping relational data inDB

Enterprise applications manipulate both files and relationaldata

e.g. Document Management, Medical, CAD, Imaging






Disjoint security and auditing models

Changes cannot be made atomically

Backup and recovery are fragmented

Search across relational data and files is difficult

Space management is complicated

Separate interfaces and protocols




LOBs in the database are stored inside database tablespacesin a way that optimizes space and provides efficient access.




Oracle SecureFiles
ConsolidatedSecure Management of Data

SecureFilesis a new 11g feature designed to break the performance barrier keeping filedata out of databases

Next-generation LOBs -faster, and with more capabilities

transparent deduplication, compression and encryption

leverage the security, reliability, and scalability of database

superset of LOB interfaces allows easy migration from LOBs


Enablesconsolidation of file data with associated relational data

single security model

single view of data

single management of data

scalable to any level using SMP scale-up, or grid scale-out


11g_app_dev.ppt (2.07 MB, 下载次数: 1, 售价: 10 金钱)
下载专业ORACLE数据库恢复工具PRM-DUL  For Oracle http://www.parnassusdata.com/zh-hans/emergency-services

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