dotConnect for PostgreSQL 4.50

dotConnect for PostgreSQL 4.50 is professionally designed as a 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.

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. General usability
   • Direct access to server data
   • Real RAD for database applications
   • Fully compliant with ADO.NET
   • 100% managed code
   • Highly usable design time support
   • Easy to deploy
2. Network and connectivity
   • Doesn't require PostgreSQL client library and uses PostgreSQL protocol directly
   • Both connected and disconnected data access models
   • Unicode connections
   • SSL connection to PostgreSQL server [New]
3. Compatibility
   • Full support of the latest versions of PostgreSQL
   • Full support for x64 architecture
   • .NET Compact Framework support
   • Mono Framework support
   • Visual Studio 2005 and 2008 support
   • SQL Server 2005 and 2008 Business Intelligence Solutions support
4. PostgreSQL technology support
   • All PostgreSQL data types support, including Composite types
   • Stored procedures support
   • Returning result sets from stored procedures
   • PgSqlDump component to store a database or its parts as a script and then restore it
   • PgSqlLoader component for fast loading data
   • PgSqlAlerter component to manage PostgreSQL notifications with LISTEN and NOTIFY commands [New]
   • Fill DataSet with multiple query
   • Large objects support [New]
   • PostgreSQL ARRAY data type support with the PgSqlArray class [New]
5. Performance
   • High overall performance
   • Intelligent fetch block size control
   • Advanced connection pooling
   • High performance batch processing
6. ADO.NET technology support
   • Full support for ADO.NET Entity Framework [New]
   • Server enumeration
   • Batch update support
   • Extended metadata information retrieval
   • Advanced CommandBuilder component with automatic refresh SQL
   • Enhanced pooling control through connection string
   • Connection string builder
   • Provider factory for generating key data access classes
   • Asynchronous command execution
   • Provider-specific types support
   • Password change API
   • Database Change Notification Support
   • Possibility to retrieve OID values
7. ADO.NET Entity Framework
   • Conceptual approach to enterprise development
   • High performance
   • Wide support for LINQ to Entities capabilities
   • Wide support for EntitySQL
   • Full CRUD (Create, Retrieve, Update, Delete) support
   • Wide support for server data types
   • Change tracking support
   • Object data caching
   • Inheritance mapping support (TPH, TPT, and TPCT models)
   • Capability to use stored procedures when manipulating data
   • Stored procedure import support
   • Ability to build database-independent applications
   • Visual Studio EDM Wizard support
   • Reverse engineering of database objects to entity model
   • Visual model creation and code generation with Entity Developer
     
   • Illustrated tutorial to get started with Entity Framework in 5 minutes 
     
8. LINQ to PostgreSQL 
   
   • Easy to use
   • High performance
   • Interchangeable with Microsoft LINQ to SQL
   • Plain CLR classes used (no need to use a common base class)
   • Full CRUD (Create, Retrieve, Update, Delete) support
   • Change tracking support
   • Object data caching
   • Data binding support
   • Wide support for LINQ capabilities
   • Wide support for server data types
   • Load on demand (lazy load)
   • Database transactions support
   • Inheritance mapping support (table per hierarchy model)
   • Server-independent interface
   • Visual model creation and code generation with Entity Developer
   • Illustrated tutorial to get started with LINQ to PostgreSQL in 5 minutes
     
9. Extended data access technologies and functionality
   • Powerful PgSqlDataTable component for manipulating individual tables or query result
   • NonBlocking mode allows fetching data asynchronously in the background
   • On-demand data fetch for data-bound controls
   • Paginal access to query result
   • Server side master-detail relation based on queries
   • Ability to refresh individual records in PgSqlDataTable component
   • Support for Enterprise Library Data Access Application Block (DAAB)
   • Object-oriented building of SELECT statements
   • Extended warning and error information retrieval
   • Extended interface for processing execution exceptions
   • PgSqlDataAdapter.Fill method with sequential fetch support
   • Ability to defer fetching of some columns in a resultset
   • Named parameters support
10. WinForms-specific features
    • Flexible data binding with DataLink component
    • InterForm technology for cross-form components cooperation
    • Global position synchronization within a data source
11. ASP.NET-specific features
    • ASP.NET data providers: Membership, Role, Session State, Profile, Personalization, Site Map, Web Event
    • PgSqlDataSource web component
    • PgSqlCacheDependency component to control Cache item dependencies in ASP.NET applications
12. Script execution
    • Advanced script execution features with PgSqlScript component
    • Support for executing individual statements in scripts
    • Support for executing huge scripts stored in files with dynamic loading
13. SQL execution monitoring
    • Extended SQL tracing capabilities with PgSqlMonitor component
    • Support for DBMonitor utility for advanced tracing analysis and control
    • Per-component SQL tracing
    • Optional log output to IDE toolwindows
14. Design-time enhancements
    • Automatic component registration in toolbox
    • Advanced integration with Visual Studio 2005/2008, including Server Explorer, Data Source wizard, TableAdapter configuration, Query Builder and configuring web component PgSqlDataSource
    • DataSet Wizard to create and edit typed PostgreSQL-oriented datasets
    • DataSet Manager to list and bind datasets in the project
    • DataSet Editor to edit dataset contents
    • Advanced design-time component and property editors
    • IntelliSense descriptions for dotConnect for PostgreSQL classes
    • Easy migration from ODBC and OLE DB .NET Data Providers with Migration Wizard
    • Syntax highlighting in design-time editors
    • TableMappings editor
    • Convenient instant data preview and management in design time
15. Product clarity
    • Complete documentation sets integrated into Visual Studio and CodeGear Delphi
    • Integration with Visual Studio and MSDN help collections
    • Documentation available as a standalone chm file
    • A large amount of helpful demos in C#, VB, C++, and Delphi
16. Licensing and support
    • Included annual dotConnect for PostgreSQL Subscription with Priority Support
    • Licensed royalty-free per developer, per team, or per site

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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