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Oracle Data Access Components (ODAC) is a library of components that provides native connectivity to Oracle from Delphi, C++Builder, Lazarus (and Free Pascal) on Windows, Mac OS X, Linux, and FreeBSD for both 32-bit and 64-bit platforms. The ODAC library is designed to help programmers develop faster and more native Oracle database applications.

General usability

Direct access to server data. Does not require installation of other data provider layers (such as BDE and ODBC)
Interface compatible with standard data access methods, such as BDE and ADO
VCL, VCL for .NET, and CLX versions of library available
Separated run-time and GUI specific parts allow you to create pure console applications such as CGI
Unicode and national charset support

Network and connectivity

In Direct mode does not require Oracle client software and works directly through TCP/IP
Disconnected Model with automatic connection control for working with data offline
Local Failover for detecting connection loss and implicitly reexecuting certain operations
Support for setting connection timeout values for Direct mode

Compatibility

Full support of the latest versions of Oracle
Support for all Oracle data types
Compatible with all IDE versions starting with Delphi 5 and C++Builder 5, except Delphi 8, and with Free Pascal [New]
Includes provider for UniDAC Standard Edition [New]
Wide reporting component support, including support for InfoPower, ReportBuilder, FastReport
Support of all standard and third-party visual data-aware controls
Allows you to use Professional Edition of Delphi and C++Builder to develop client/server applications.

Oracle technology support

Oracle Advanced Queuing support
Distributed transactions support with TOraTransaction component
Oracle package support
Support for Oracle alerts and pipes with TOraAlerter component
Support for Direct Path interface with TOraLoader component
Support for DBMS_TRACE package and SQLTrace functionality with TOraTrace
Support for Oracle Change notifications functionality of Oracle 10g with TOraChangeNotification component
Oracle Transparent Application Failover support
Oracle 9i scrollable cursor support
Multiple Oracle Homes support
Oracle sequence support
DML array operations support
Direct lob access support
Temporary LOB management routines
Temporary LOBs for updating LOB fields
OCI Connection Pooling, Proxy Session Pooling, and Statement Caching
Oracle optimizer control
ProxySession support
External Procedure support
CLIENT_IDENTIFIER support

Home:

http://www.devart.com/odac/