Oracle ADO.NET Provider
 
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Oracle ADO.NET Provider

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

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The Oracle ADO.NET Data Provider enables user to easily connect to Oracle from .NET applications. Rapidly create and deploy powerful .NET applications that integrate with Oracle databases.

ADO architecture

Oracle .NET Connectivity Features

  • Compatible with Oracle Database 11.2 or later
  • Connect to live Oracle Database data, for real-time data access with the Oracle Database JDBC 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 Oracle Connector.

Target Service, API

The driver provides native connectivity to Oracle Database including all versions from Oracle 9i onwards. Supports Oracle Cloud, on-premises deployments, and Oracle Autonomous Database.

Schema, Data Model

Models Oracle database with full access to schemas, tables, views, materialized views, stored procedures, functions, packages, and system objects. Complete metadata discovery with Oracle-specific data types.

Key Objects

Schemas, Tables, Views, Materialized Views, Stored Procedures, Functions, Packages, Triggers, Sequences, Synonyms, Database Links, and system objects. Full Oracle database object support.

Operations

Full PL/SQL and ANSI SQL support. All DML/DDL operations, stored procedure/function execution, package calls, complex queries, hierarchical queries, and Oracle-specific features like MERGE and flashback queries.

Authentication

Supports Oracle authentication with Username/Password, Windows Authentication, and Kerberos. Connection via TNS names, Easy Connect, or full connection string. Supports Oracle Wallet and SSL/TLS encryption.

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SSAS Cube
SSAS Cube

Use Oracle 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 Oracle ADO.NET Provider allows developers to build applications that connect to Oracle using familiar SQL and Entity Framework. Integrate Oracle 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 Oracle from .NET-based reporting and analytics tools:

Standard ADO.NET Access to Oracle

The Oracle ADO.NET Provider offers the most natural way to access Oracle data from any .NET application. Simply use Oracle Data Provider objects to connect and access data just as you would access any traditional database. You will be able to use the Oracle 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 Oracle 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 Oracle Data Provider has the same ADO.NET architecture as the native .NET data providers for SQL Server and OLEDB, including: OracleConnection, OracleCommand, OracleDataAdapter, OracleDataReader, OracleDataSource, OracleParameter, etc. Because of this you can now access Oracle data in an easy, familiar way.

For example:

using (OracleConnection conn = new OracleConnection("...")) {
	string select = "SELECT * FROM OracleTable";
	OracleCommand cmd = new OracleCommand(select, conn);
	OracleDataAdapter adapter = new OracleDataAdapter(cmd);
	using (adapter) {
		DataTable table = new DataTable();
		adapter.Fill(table);		
		...
	}
}

More Than Read-Only: Full Update/CRUD Support

Oracle 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 Oracle Data Provider as easily as interacting with a database table. 

using (OracleConnection connection = new OracleConnection(connectionString)) {
	OracleDataAdapter dataAdapter = new OracleDataAdapter(
	"SELECT Id, Where FROM OracleTable", connection);
  
	dataAdapter.UpdateCommand = new OracleCommand(
		"UPDATE OracleTable SET Where = @Where " +
		"WHERE Id = @ID", connection);

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

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

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

	dataAdapter.Update(OracleTableTable);
}

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 Oracle solves these issues by supporting powerful smart caching technology that can greatly improve the performance and dramatically reduce application bottlenecks.

Smart Caching

Smart caching is a configurable option that works by storing queried data into a local database. Enabling smart caching creates a persistent local cache database that contains a replica of data retrieved from the remote source. The cache database is small, lightweight, blazing-fast, and it can be shared by multiple connections as persistent storage.

Caching with our ADO.NET Providers is highly configurable, including options for:

  • Auto Cache - Maintain an automatic local cache of data on all requests. The provider will automatically load data into the cache database each time you execute a SELECT query. Each row returned by the query will be inserted or updated as necessary into the corresponding table in the cache database.
  • Explicit Cache - Cache only on demand. Developers decide exactly what data gets stored in the cache and when it is updated. Explicit caching provides full control over the cache contents by using explicit execution of CACHE statements.
  • No Cache - All requests access only live data and no local cache file is created.

This powerful caching functionality increases application performance and allows applications to disconnect and continue limited functioning without writing code for additional local storage and/or data serialization/deserialization.

More information about ADO.NET Provider caching and best caching practices is available in the included help files.

Visual Studio Integration & Server Explorer

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

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

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

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

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

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

Developer Integration: Databind to Oracle

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

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

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

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

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