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ZeosDBO is a database middleware components for Borland development tools, including Delphi, C++ Builder and Kylix.

The following compilers are supported:

  • Delphi 4 - 7
  • C++ Builder 4 - 6
  • Kylix 1 - 3

ZeosDBO supports direct connectivity to the following databases using the vendor provided, native interface:

  • MySQL 3.20 - 4.1
  • PostgreSQL 6.5 - 7.3
  • Firebird 1.0 - 1.5
  • Interbase 5.0 - 7.5
  • Microsoft SQL Server 7, 2000
  • Sybase ASE 12.0, 12.5

For other databases we propose to use implemented Active Data Objects (ADO) Bridge.

Advantages of using ZeosDBO:

  • Platform independance. The ZeosDBO is highly generic. Applications written in ZeosDBO can be migrated across databases without major changes.
  • ZeosDBO is open source, written for usability and extensibility.
  • ZeosDBO leverages the amazing power of the Delphi development environment without relying on a performance killing middleware.
  • ZeosDBO is an extremely thin abstraction layer, unlike 'thick' layered protocols like ADO and BDE.

Package contents:

  1. ZCore - Core classes and interfaces. Contains Java style objects and collections as well as compatibility types and functions.
  2. ZParseSql - SQL specific for syntax and lexical analysis.
  3. ZPlain - Native plain API to supported SQL servers.
  4. ZDbc - Port of Java Database Connectivity API (JDBC 2.0). DBC API acts as intermediate layer between Plain API and highlevel TDataset or DBExpress components.
  5. ZComponent - visual components descended from TDataset.

Installed components:

  1. TZConnection: This component encapsulates the database connection and transaction management.
  2. TZReadOnlyQuery: TDataset component to execute SQL queries and process data in read-only mode.
  3. TZQuery: TDataset component which allows data modifications in regular and cached mode.
  4. TZUpdateSQL: Analog of standard TUpdateSQL component to explicite definition of Insert/Update/Delete SQL statements for TDataset modifications.
  5. TZStoredProc: The component to execute SQL stored procedures.
  6. TZSQLProcessor: The component to execute SQL scripts for different SQL and various delimiter types.
  7. TZSQLMonitor: The component to monitor all outgoing SQL queries and other logging information.
  8. TZSQLMetadata: Specialized TDataset component which provides an access to database metadata such as tables, columns, indices, etc.

The project home page is here (for news, links and other project info): http://www.zeoslib.net

The sourceforge development site is located here (for technical resources and anonymous web based cvs access): http://www.sourceforge.net/projects/zeoslib


Added: 21-03-2001/9-02-2004   |  Version: 6.1.3 beta   |  Downloads: n/a
Author:ZeosLib team   [Homepage]   [DSP files]

 

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