OracleClientDAC for Delphi v4.0.2.0

OracleClientDAC for Delphi
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Last Update:2018-06-04 - Minor Update: - Stability and performance improvements.
Limitations:30 Trial


OracleClient Data Access component(OracleClientDAC) is a feature-rich and high-performance library of components that provides native connectivity to Oracle from Delphi for both 32-bit and 64-bit Windows platforms. OracleClientDAC-based applications connect to Oracle directly through the ADO.Net OracleClient, which is an Oracle Data Provider for .NET (ODP.Net). OracleClientDAC aims to assist programmers in developing of fast and native Oracle database applications. OracleClientDAC allows developers to take advantage of advanced Oracle database functionality, including Real Application Clusters, self-tuning statement cache, and fast connection failover.

OracleClientDAC, a high-performance and feature-rich Oracle connectivity solution, is an efficient native alternative to the Borland Database Engine (BDE) and standard dbExpress driver. It provides both possibility of connection to Oracle by means of native Oracle data access and direct access to Oracle without Oracle Client.

OracleClientDAC-based DB applications are easy to deploy, do not require installation of other data provider layers (such as BDE or ODBC), uses ADO.Net technology and that's why they can work faster than the ones based on standard Delphi data connectivity solutions.


  • 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.

  • Unicode and national charset support.

  • High overall performance.

  • Fast controlled fetch of large data blocks.

  • High performance of applying cached updates with batches.

  • High performance batch processing.

  • Intelligent fetch block size control.

  • Support prefetching rows - specifies the number of rows that are to be fetched per server round trip. This is controlled by FetchOptions.RowsetSize property.

  • Automatic data updating.

  • Fast data retrieval.

  • Data export and import to/from XML.

  • Statement Caching

Data Access - Oracle - ODBC - OLE DB - ADO.Net - Dataset - OracleClient - OleDb - BDE - Delphi - FireDAC - ADO

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