Free relational database management software for windows

PostgreSQL Database Server 8.4 brings a powerful, perfect and popular relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, SunOS, Tru64), BeOS, and Windows. PostgreSQL is an open-source descendant of this original Berkeley code.

If you need a PostgreSQL Database GUI, you can download NAVICAT PostgreSQL. It supports to import CSV, XML or other formats to PostgreSQL. PostgreSQL supports a large part of the SQL: 2003 standard and offers many modern features: complex queries, foreign keys, triggers, views, transactional integrity, and multi-version concurrency control. Also, PostgreSQL can be extended by the user in many ways. Version 8.4 may include unspecified updates, enhancements, or bug fixes.

Database .NET 2.9.3594 is created to be a simple and effective database management tool for multi-database. It supports MS Access 97-2003/MS Access 2007/MS Excel 97-2003/MS Excel 2007/dBASE IV/Firebird/MySQL/SQL Server/SQL Server CE/SQLite/PostgreSQL/Oracle/OleDB databases.

It allows to create, shrink, or protect databases automatically. Also features syntax highlighting, service manager, SQL example manager, multiple query tab, SQL query batch. Allows to export to CSV/XML/TXT, and print query results.

A collection of C++ classes used to build embedded database engines based on variable block technology. Features: WIN32/UNIX database interoperability. Supports object-oriented and relational databasedesigns in traditional and client/server applications. Built-in support for multi-threaded database applications. Supports fixed and variable-length records. 99.9999% data integrity ensured by 32-bit CRCchecking. Offers best-fit and first-fit block allocation methods to prevent database fragmentation. Built-in exception handling. Allows locking at both the file and node level. Ships with an advanced database recovery utility plus other binary utilities.

Visual C# 2005 Database Projects 1 is a professional and useful tool that contains three programs you can use at home. The programs illustrate advanced uses of Visual C# 2005 with databases.

The programs included with Visual C# 2005 Database Projects are: Weight Monitor, a program allowing you to monitor your daily weight and compute your body mass index (BMI); Student Identification, a program allowing entering information (including picture) on school students and printing identification cards; Pizza Orders, a order/customer tracking system.

Major Features:

1. ADO .NET data objects
2. Data bound controls,
3. Relational database design, graphics, and printing.
4. Has the actual Visual C# 2005 source code for Visual C# 2005 Database Projects that you can study and modify, as you desire.

SmallSQL is a free and pure Java DBMS, a relational database for Java desktop applications. It has a JDBC 3.0 interface and offers many ANSI SQL 92 and ANSI SQL 99 features. It is very small and fast because it does not have a network interface.
Main features:
- It has a LGPL license. You can redistribute it with your software for free.
- It is 100% pure Java. You can use it on all platforms with Java version 1.4 or higher.
- It is open source. You can look in the source code if you want it.
- It is embeddable in you application. There is no additional setup required.
- It is a very small Java library.
- The quality is tested with JUnit and Emma Coverage.

This library will carry the management of an users database for login verification, and all the normal operations that you will need. All the information is stored in an encrypted file.