Updated: July 9, 2020 (December 26, 2005)
Charts & IllustrationsSQL Server 2005 Editions at a Glance
Chart maps key SQL Server 2005 database features to SQL Server 2005 Express, Workgroup, Standard, and Enterprise Editions.
| Express | Workgroup | Standard | Enterprise | |
| Maximum system capacity | 1 processor, 1GB RAM, 4GB database | 2 processors, 3GB RAM, unlimited database | 4 processors, unlimited RAM, database | Unlimited processors, RAM, database, partitioning |
| Management tools | Management Studio Express (available 2006) | Management Studio | Management Studio | Management Studio |
| Developer tools and features | CLR and .NET integration, user-defined data types, native XML support | CLR and .NET integration, user-defined data types, native XML support | CLR and .NET integration, user-defined data types, native XML support, direct Web services access | CLR and .NET integration, user-defined data types, native XML support, direct Web services access |
| High-availability enhancements | Hot-add memory |
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