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Developing Database Applications for the Win32 Platform
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The Borland Database Engine (BDE) has been deprecated, so it will not be enhanced. For instance, BDE will never have Unicode support. You should not undertake new development with BDE. Consider migrating your existing database applications from BDE to dbExpress.

Database applications let users interact with the information that is stored in the databases. Databases provide structure for the information, and allow it to be shared among different applications.

Delphi provides support for relational database applications. Relational databases organize information into tables, which contain rows (records) and columns (fields). These tables can be manipulated by simple operations known as the relational calculus.

Topics

Name | Description
dbGo Overview | dbGo provides the developers with a powerful and logical object model for programmatically accessing, editing, and updating data from a wide variety of data sources through OLE DB system interfaces. The most common usage of dbGo is to query a table or tables in a relational database, retrieve and display the results in an application, and perhaps allow users to make and save changes to the data. The ADO layer of an ADO-based application consists of the latest version of Microsoft ADO, an OLE DB provider or ODBC driver for the data store access, client software for the... more
BDE Overview | Warning: The Borland Database Engine (BDE) has been deprecated, so it will not be enhanced. For instance, BDE will never have Unicode support. You should not undertake new development with BDE. Consider migrating your existing database applications from BDE to dbExpress. The Borland Database Engine (BDE) is a data-access mechanism that can be shared by several applications. The BDE defines a powerful library of API calls that can create, restructure, fetch data from, update, and otherwise manipulate local and remote database servers. The BDE provides a uniform interface to access a wide variety of database servers, using drivers... more
dbExpress Components | dbExpress is a set of lightweight database components that provide fast access to SQL database servers. For each supported database, dbExpress provides a driver framework that adapts the server-specific software to a set of uniform dbExpress interfaces. When you deploy a database application that uses dbExpress, you include a DLL(the server-specific driver) with the application files you build. dbExpress lets you access databases using unidirectional datasets. Unidirectional datasets are designed for quick lightweight access to database information, with minimal overhead. Like other datasets, they can send an SQL command to the database server, and if the command returns a set... more
Getting Started with InterBase Express | InterBase Express (IBX) is a set of data access components that provide a means of accessing data from InterBase databases. The InterBase Administration Components, which require InterBase, are described after the InterBase data access components.
dbExpress 4 Feature Overview | dbExpress's top level framework and metadata support has been rewritten in Delphi for RAD Studio 2007. It has new, richer metadata support. The DbxClient driver remotes the dbExpress 4 framework interface over a network based transport. This document discusses the following features: dbExpress Framework dbExpress Metadata Improvements DBXClient Driver DBXDynalink Driver DBTest
Blackfish SQL Overview | The design and implementation of Blackfish SQL emphasizes database performance, scalability, ease of use, and a strong adherence to industry standards. Blackfish SQL capabilities include the following: Industry standards compliance Entry level SQL-92 Unicode storage of character data Unicode-based collation key support for sorting and indexing dbExpress 4 drivers for win32 Delphi and C++ ADO.NET 2.0 providers for .NET JDBC for Java JavaBean data access components for Java XA/JTA Distributed transactions for Java High performance and scalability for demanding online transaction processing (OLTP) and decision support system (DSS) applications Delphi, C#, and VB.NET stored procedures and triggers... more
dbExpress Framework | The dbExpress framework (DBX framework) is a set of abstract classes provided in the unit DBXCommon. Applications can interface with the framework in several ways: using the framework directly for both native and managed applications, and using the dbExpress VCL components that are layered on top of the framework for both native and managed applications. Although many applications interface with dbExpress drivers via the dbExpress VCL components, the DBX framework offers a convenient, lighter weight option to communicate with a database driver. You can also create a database driver for dbExpress by extending the frameworks's DBXCommon abstract... more
dbExpress Framework Compatibility | Some dbExpress software developed prior to the dbExpress driver framework (DBX driver framework) has been modified to work with the DBX driver framework. As a result of these changes, some compatibility issues arise.

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