PostgreSQL ADO.NET Provider
 
ADO.NET
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PostgreSQL ADO.NET Provider

SQL-based Access to PostgreSQL through ADO.NET for your custom .NET applications and SSAS.

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Other Database Drivers

The PostgreSQL ADO.NET Data Provider enables user to easily connect to PostgreSQL data from .NET applications. Rapidly create and deploy powerful .NET applications that integrate with PostgreSQL-compatible database engines.

ADO architecture

PostgreSQL .NET Connectivity Features

  • Wire Protocol ODBC Driver for PostgrSQL compatible with protocol version 3.0, PostgreSQL 7.4 and above
  • Connects to on-premises and cloud-based instances, including Heroku Postgres, Amazon Aurora, Amazon Relational Database Service (RDS) and others
  • Connect to live PostgreSQL data, for real-time data access with the PostgreSQL ODBC Driver
  • Full support for data aggregation and complex JOINs in SQL queries
  • Seamless integration with leading BI, reporting, and ETL tools and with custom applications via the PostgreSQL Connector.

Target Service, API

The driver provides native connectivity to PostgreSQL databases including all versions from PostgreSQL 8.x onwards. Supports Amazon RDS, Azure Database for PostgreSQL, Google Cloud SQL, and on-premises deployments.

Schema, Data Model

Models PostgreSQL with access to databases, schemas, tables, views, materialized views, stored procedures, functions, and custom types. Full support for PostgreSQL's advanced data types including arrays, JSON/JSONB, and geometric types.

Key Objects

Databases, Schemas, Tables, Views, Materialized Views, Functions, Triggers, Sequences, Custom Types, Extensions, and system catalogs. Full PostgreSQL object model support.

Operations

Complete PostgreSQL SQL dialect with ANSI SQL compliance. All DML/DDL operations, function calls, CTEs, window functions, and PostgreSQL-specific features like UPSERT (ON CONFLICT) and array operations.

Authentication

PostgreSQL authentication with Username/Password, LDAP, Kerberos, and certificate-based authentication. SSL/TLS support for encrypted connections. Connection properties include Host, Port, Database, Username, Password.

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PostgreSQL ADO.NET Download

See what you can do with PostgreSQL ADO.NET provider

SSAS Cube
SSAS Cube

Use PostgreSQL from SQL Server Analysis Service (SSAS) multi-dimensional cubes. Keep your analytical data modeling and access to any source including cloud and on-premises.

Custom .NET Application
Custom .NET Application

The PostgreSQL ADO.NET Provider allows developers to build applications that connect to PostgreSQL using familiar SQL and Entity Framework. Integrate PostgreSQL to your mission -critical applications or create easy side-by-side applications.

Reporting & BI
Low-Code Dev Platforms

You can connect from ADO.NET compliant low-code development tools:

Reporting & BI
Reporting Tools

You can connect PostgreSQL from .NET-based reporting and analytics tools:

Standard ADO.NET Access to PostgreSQL

The PostgreSQL ADO.NET Provider offers the most natural way to access PostgreSQL data from any .NET application. Simply use PostgreSQL Data Provider objects to connect and access data just as you would access any traditional database. You will be able to use the PostgreSQL Data Provider through Visual Studio Server Explorer, in code through familiar classes, and in data controls like DataGridView, GridView, DataSet, etc.

The CData ADO.NET Provider for PostgreSQL hides the complexity of accessing data and provides additional powerful security features, smart caching, batching, socket management, and more.

Working with DataAdapters, DataSets, DataTables, etc.

The PostgreSQL Data Provider has the same ADO.NET architecture as the native .NET data providers for SQL Server and OLEDB, including: PostgreSQLConnection, PostgreSQLCommand, PostgreSQLDataAdapter, PostgreSQLDataReader, PostgreSQLDataSource, PostgreSQLParameter, etc. Because of this you can now access PostgreSQL data in an easy, familiar way.

For example:

using (PostgreSQLConnection conn = new PostgreSQLConnection("...")) {
	string select = "SELECT * FROM PostgreSQLTable";
	PostgreSQLCommand cmd = new PostgreSQLCommand(select, conn);
	PostgreSQLDataAdapter adapter = new PostgreSQLDataAdapter(cmd);
	using (adapter) {
		DataTable table = new DataTable();
		adapter.Fill(table);		
		...
	}
}

More Than Read-Only: Full Update/CRUD Support

PostgreSQL Data Provider goes beyond read-only functionality to deliver full support for Create, Read, Update, and Delete operations (CRUD). Your end-users can interact with the data presented by the PostgreSQL Data Provider as easily as interacting with a database table. 

using (PostgreSQLConnection connection = new PostgreSQLConnection(connectionString)) {
	PostgreSQLDataAdapter dataAdapter = new PostgreSQLDataAdapter(
	"SELECT Id, Where FROM PostgreSQLTable", connection);
  
	dataAdapter.UpdateCommand = new PostgreSQLCommand(
		"UPDATE PostgreSQLTable SET Where = @Where " +
		"WHERE Id = @ID", connection);

	dataAdapter.UpdateCommand.Parameters.AddWithValue("@Where", "Where");
	dataAdapter.UpdateCommand.Parameters.AddWithValue("@Id", "80000173-1387137645");

	DataTable PostgreSQLTableTable = new DataTable();
	dataAdapter.Fill(PostgreSQLTableTable);

	DataRow firstrow = PostgreSQLTableTable.Rows[0];
	firstrow["Where"] = "New Location";

	dataAdapter.Update(PostgreSQLTableTable);
}

ADO.NET Provider Performance

With traditional approaches to remote access, performance bottlenecks can spell disaster for applications. Regardless if an application is created for internal use, a commercial project, web, or mobile application, slow performance can rapidly lead to project failure. Accessing data from any remote source has the potential to create these problems. Common issues include:

  1. Network Connections - Slow network connections and latency issues are common in mobile applications.
  2. Service Delays - Delays due to service interruptions, resulting in server hardware or software updates.
  3. Large Data - Intentional or unintentional requests for large amounts of data.
  4. Disconnects - Complete loss of network connectivity.

The CData ADO.NET Provider for PostgreSQL solves many of these issues with support for replication queries that can be used to sync data to local databases, greatly improving the performance and dramatically reduce application bottlenecks.

More information about ADO.NET Provider performance capabilities are available in the included documentation.

Visual Studio Integration & Server Explorer

Working with the new PostgreSQL ADO.NET Provider is easy. As a fully-managed .NET Data Provider, the PostgreSQL Data Provider integrates seamlessly with the Visual Studio development environment as well as any .NET application.

As an ADO.NET Data Provider, PostgreSQL ADO.NET Provider can be used to access and explore PostgreSQL data directly from the Visual Studio Server Explorer.

It's easy. As a standard ADO.NET adapter, developers can connect the Server Explorer to PostgreSQL ADO.NET Provider just like connecting to any standard database.

  • Add a new Data Connection from the Server Explorer and select the PostgreSQL Data Source Image
  • Configure the basic connection properties to access your PostgreSQL account data. Image

Explore all of the data available! PostgreSQL ADO.NET Provider makes it easy to access live PostgreSQL data from Visual Studio.

  • After configuring the connection, explore the feeds, views, and services provided by the PostgreSQL Data Source.
  • These constructs return live PostgreSQL data that developers can work with directly from within Visual Studio!
Image

Developer Integration: Databind to PostgreSQL

Connecting Web, Desktop, and Mobile .NET applications with PostgreSQL is just like working with SQL Server. It is even possible to integrate PostgreSQL ADO.NET Provider into applications without writing code.

Developers are free to access the PostgreSQL ADO.NET Provider in whatever way they like best. Either visually through the Visual Studio Winforms or Webforms designers, or directly through code.

  • Developers can connect the PostgreSQL Data Source directly to form components by configuring the object's smart tags. Image
  • Add a new Data Connection from the Server Explorer and select the PostgreSQL Data Source. Then, select the feed, view, or services you would like to connect the object to. Image

Done! It's just like connecting to SQL Server.

  • Once the object is bound to the data source, applications can easily interact with PostgreSQL data with full read/write (CRUD) support. Image

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