Connection pooling

Applies to: .NET Framework .NET .NET Standard

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Connecting to a data source can be time consuming. To minimize the cost of opening connections, ADO.NET uses an optimization technique called connection pooling, which minimizes the cost of repeatedly opening and closing connections.

In this section

SQL Server Connection Pooling (ADO.NET)
Provides an overview of connection pooling and describes how connection pooling works in SQL Server.

See also

• Retrieving and modifying data in ADO.NET
• Microsoft ADO.NET for SQL Server