Does Oracle support Windows Encrypting File System (EFS)?

Yes, EFS is supported and is transparent to Oracle. However, there is a tradeoff in using it. EFS will slow database peformance as it constantly encrypts and decrypts data, so it's not encouraged for high performance applications.

Q: How do I migrate from SQL Server (or another database) to Oracle? A: The Oracle Migration technology web site provides tools and documentation on moving your database to Oracle. Q: How can Oracle interoperate with a non-Oracle database?

A: Oracle provides two connectivity solutions to address the needs of disparate data access: Oracle Transparent Gateways and Oracle Generic Connectivity. Oracle Transparent Gateways provides access to many non-Oracle data stores, including Microsoft SQL Server, Informix, Ingres, and Sybase from an Oracle environment. Oracle Generic Connectivity provides access to many data stores for which Oracle does not have a gateway solution.

This feature enables transparent connectivity using ODBC and OLE DB. More.

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