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ID: 27122, PostgreSQL Data Access Components

by Dmitry Nikolaenko Email: Anonymous

Provides direct access to PostgreSQL database and is an alternative to using BDE and dbExpress.
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For Delphi, Version 6.0  to 14.0 173 downloads
Copyright: All rights reserved

Size: 3,493,449 bytes
Updated on Mon, 17 Aug 2009 03:36:21 GMT
Originally uploaded on Mon, 03 Aug 2009 07:55:34 GMT
SHA1 Hash: 19667A7924567A4D8273C91A32392B854740156A
MD5 Hash: D3B8006D078E1D7231BBCD972AEB6593

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PostgreSQL Data Access Components (PgDAC) is a library of components that provides direct access to PostgreSQL database servers from Delphi, Delphi for .NET, and C++Builder. PgDAC is designed to help programmers develop really lightweight, faster and cleaner PostgreSQL database applications without deploying any additional libraries.

Using BDE in database applications amounts to the following data path
between server and client:

[PostgreSQL] <-> [SQL*Net] <-> [pqlib] <-> [SQL Links] <-> [BDE] <-> [Client application]

PgDAC works directly through native PostgreSQL interface.
Applications with PgDAC components access server directly:

[PostgreSQL] <-> [Client application]

Using PostgreSQL Data Access Components gives you the following advantages:

- Direct access to server data without using client library. Does not require installation of other data provider layers (such as BDE and ODBC)
- Full support of the latest versions of PostgreSQL Server
- Support for all PostgreSQL Server data types
- Disconnected Model with automatic connection control for working with data offline
- Local Failover for detecting connection loss and implicitly reexecuting certain operations
- All types of local sorting and filtering, including by calculated and lookup fields
- Automatic data updating with TPgQuery, TPgTable, and TPgStoredProc components
- Unicode and national charset support
- Supports many PostgreSQL-specific features, such as notifications, notices, and sequences
- Advanced script execution functionality with the TPgScript component
- Support for using macros in SQL
- Easy migration from BDE with Migration Wizard
- Lets you use Professional Edition of Delphi and C++Builder to develop client/server applications
- Includes annual PgDAC Subscription with Priority Support
- Licensed royalty-free per developer, per team, or per site


PgDAC supports PgSQL server versions since 7.1 up to 8.3. The following development environments are supported by PgDAC:
Embarcadero Delphi 2010 for Win32
Embarcadero C++Builder 2010
CodeGear C++Builder 2009
CodeGear Delphi 2009 for Win32
CodeGear RAD Studio 2007
CodeGear C++Builder 2007
CodeGear Delphi 2007 for Win32
Turbo Delphi Professional
Turbo Delphi for .NET Professional
Turbo C++ Professional
Borland Developer Studio 2006 including support of Delphi for Win32, Delphi for .NET and C++Builder personalities
Borland Delphi 2005
Borland Delphi 7
Borland Delphi 6
Borland C++Builder 6
Free Pascal for Win32 and Linux (only Editions with Source Code and Trial Edition)

Only Professional, Enterprise and Architect editions are supported.

For more information, see

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