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SQL Server Express Features

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

SQL Server Code-Named “Denali” Express is based on SQL Server, and supports most of the Database Engine features of that product. If you create and design a database in SQL Server Express, you can later migrate this database to SQL Server.

SQL Server Express supports most of the features and functionality of SQL Server. The following table lists some of the major features and components that are supported.

Stored Procedures

SQL Server Configuration Manager

Views

Replication (as a subscriber only)

Triggers

Advanced Query Optimizer

Cursors

SMO/RMO

sqlcmd and osql utilities

Integration with Visual Studio 2005

Snapshot Isolation Levels

Service Broker (as a client only)¹

Native XML support, including XQuery and XML Schemas

SQL CLR

Transact-SQL language support

Multiple Active Result Sets (MARS)

Dedicated Administrator Connection²

Import/Export Wizard

¹ SQL Server Express supports Service Broker, but direct communication between two SQL Server Express servers is not supported.

² The Dedicated Administrator Connection feature for SQL Server Express is supported with the trace flag 7806. For more information on trace flags and Dedicated Administrator Connection, and Using a Dedicated Administrator Connection in SQL Server Books Online.

The following table lists the additional SQL Server database features that are not supported in this version of SQL Server Express. It also lists database features from previous versions of SQL Server that are not supported.

SQL Server features not supported in SQL Server Express

SQL Server features from previous versions not supported in SQL Server Express

Database mirroring

SQL Mail

Online restore

Fail-over clustering

Database snapshot

Distributed partitioned views

Parallel index operations

VIA protocol support

Mirrored media sets

Log shipping

Partitioning

Parallel DBCC

Address Windowing Extensions (AWE)

Parallel Create Index

Hot-add memory

Enhanced Read Ahead and Scan

Native HTTP SOAP access

Indexed views (materialized views)

SQL Mail and Database Mail

Partitioned views

Online Index Operations

 

SQL Server Agent and SQL Server Agent Service

 

The following list highlights the major SQL Server components that are not supported in SQL Server Express:

  • Reporting Services

  • Notification Services

  • Integration Services

  • Analysis Services

  • Full text search

  • OLAP Services / Data Mining

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