dotConnect Express for PostgreSQL 4.50

dotConnect Express for PostgreSQL 4.50 offers you a free charge database connectivity solution built over ADO.NET architecture and a development framework with number of innovative technologies. It offers basic functionality for developing database-related applications and web sites. It introduces new approaches for designing applications and boosts productivity of database application development.

dotConnect for PostgreSQL, formerly known as PostgreSQLDirect .NET, is an enhanced data provider for PostgreSQL that builds on ADO.NET technology to present a complete solution for developing PostgreSQL-based database applications. As part of the Devart database application development framework, dotConnect for PostgreSQL offers both high performance native connectivity to the PostgreSQL database and a number of innovative development tools and technologies.

dotConnect for PostgreSQL introduces new approaches for designing application architecture, boosts productivity, and leverages database application implementation. 

dotConnect Express for PostgreSQL supports PostgreSQL server since version 7.1 to 8.3, EnterpriseDB, Pervasive Postgres SQL servers. The provider works with .NET Frameworks 2.0, 3.0, 3.5. dotConnect Express for PostgreSQL supports Mono version 2.0 and above.
Development environments:

• Microsoft Visual Studio .NET 2002, 2003, 2005 and 2008
• Turbo Delphi for .NET Professional
• Turbo C# Professional
• Borland Developer Studio 2006
• Borland Developer Studio 2005
• Borland Delphi 8
• Borland C#Builder

Major Advantages:

1. Wide Coverage of PostgreSQL Features
   By providing access to the most advanced database functionality, dotConnect for PostgreSQL allows developers to harness the full capabilities of the PostgreSQL server and optimize their database applications. dotConnect for PostgreSQL stands out as the set of components with the widest support of PostgreSQL functionality.
   
2. Optimized Code
   The goal of dotConnect for PostgreSQL is to enable developers to write efficient and flexible database applications. The dotConnect for PostgreSQL assemblies are implemented using optimized code and advanced data access algorithms. Components undergo comprehensive performance tests and are designed to help you write thin and efficient product data access layers.
   
3. Comprehensive Support for ADO.NET Technology Features
   dotConnect for PostgreSQL supports new ADO.NET features and technologies as soon as they are released. This includes base-class-based provider model, provider factories, connection string builder, metadata schemas, asynchronous commands, pooling enhancements, batch update support, provider-specific types, server enumeration, database change notification support and so on. dotConnect for PostgreSQL will continue supporting the newest standards and innovations of the .NET Framework.
   
4. Database Application Development Extensions
   dotConnect for PostgreSQL has rich set of design time tools that leverage the development process greatly. Particularly, there are convenient design time component editors, wizards and managers for typed PostgreSQL-specific components, toolset for live data binding and much more. dotConnect for PostgreSQL integrates tightly with Visual Studio 2005/2008, Delphi, and SQL Server 2005 Business Intelligence Solutions.
   
5. Provider-Specific Technologies
   dotConnect for PostgreSQL has extra components designed to simplify some tasks and support PostgreSQL-specific technologies. Particularly, PgSqlScript serves to execute series of SQL statements, PgSqlLoader serves to load external data into PostgreSQL databases, and PgSqlDump serves to backup or restore a whole database or its parts.
   
6. ADO.NET Entity Framework Support
   
   • ADO.NET Entity Framework is a conceptual approach to database application development with focus on objects instead of relational data. The flexible architecture of Entity Framework is made up of well-thought layers and modules. Entity Framework optimizes the development process with object-relational mapping, SQL-based entity query language, and LINQ.
   • dotConnect for PostgreSQL fully supports the Entity Framework capabilities, which allows you to base your object-oriented applications on PostgreSQL. dotConnect for PostgreSQL includes a set of demos to use as a starting point. All standard Entity Framework samples can be easily ported to dotConnect for PostgreSQL. See our Entity Framework tutorial for a quick start with the technology.
7. LINQ Support
   dotConnect for PostgreSQL includes support for LINQ to PostgreSQL technology. The technology allows you to employ object-oriented database application development with less efforts and in less time. Compared to ADO.NET Entity Framework, LINQ to PostgreSQL is better suited for RAD-style development, is easier to start with, and somewhat richer with server-oriented features like server-specific types. See our LINQ to PostgreSQL tutorial for a quick start with the technology.
   
8. Both Connected and Disconnected Models
   dotConnect for PostgreSQL combines connected and disconnected data access models in single PgSqlDataTable component, which allows you to design more flexible application architecture and use full power of data binding.
   

Major Features:

1. .NET Framework support
2. ADO.NET core classes      
3. Native data types classes and structures

Enhancements:

1. New Features:
   
   • Added PgSqlAlerter class to handle LISTEN/NOTIFY commands
   • Supported binary mode in PgSqlLoader
   • New database object types supported in PgSqlDump
   • Added PgSqlArray class to support PostgreSQL ARRAY data type
   • Added support for SSL connections
   • Added PgSqlLargeObject class to support PostgreSQL large objects
2. LINQ to PostgreSQL
   • Supported extended errors processing
   • Supported DataLoadOptions class and Include method for tuning data loading
   • Supported DeferredLoadingEnable functionality
   • Supported function import
   • Supported stored procedures as insert/update/delete behavior
   • Supported user-defined functions in selection part of a query
   • Supported CreateDatabase() and DeleteDatabase() methods
   • Supported SqlMethods class
   • Supported returning new Dictionary from query
3. Entity Developer 2.00
   • Supported Entity Framework
   • Supported stored procedures and functions for LINQ to SQL
   • Added naming rules for database objects
   • Added Visual Studio integration
   • Stability and performance improvements
   • Validation schema improved
   • Entity Framework Complex Type supported
   • Entity Framework Storage Model editing supported
   • Many-to-Many associations retrieving added
   • Usability improvements

Requirements: .NET Framework

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