| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Programmability Features | | | | | |
| Microsoft .NET Framework | Yes | Yes | No | No | No |
| Common language runtime integration | Yes | Yes | Yes | Yes | Yes |
| User-defined Aggregates | Yes | Yes | Yes | Yes | Yes |
| User-defined Data Types | Yes | Yes | Yes | Yes | Yes |
| User-defined Functions | Yes | Yes | Yes | Yes | Yes |
| SQL Server Managed Provider (managed data access) | Yes | Yes | Yes | Yes | Yes |
| DML/DDL Triggers | Yes | Yes | Yes | Yes | Yes |
| Logon Triggers | Yes5 | Yes5 | Yes5 | Yes5 | Yes5 |
| Eventing | Yes | Yes | Yes | Yes | Yes |
| Vardecimal Storage Format | Yes5 | No | No | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Data Types | | | | | |
| CLR User-defined Data Types | Yes | Yes | Yes | Yes | Yes |
| New XML Data Type | Yes | Yes | Yes | Yes | Yes |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Transact-SQL Enhancements | | | | | |
| Exception Handling | Yes | Yes | Yes | Yes | Yes |
| Extensions for Querying Support | Yes | Yes | Yes | Yes | Yes |
| FOR XML Enhancements | Yes | Yes | Yes | Yes | Yes |
| Intrinsics (String Function) | Yes | Yes | Yes | Yes | Yes |
| LOB Programming Model | Yes | Yes | Yes | Yes | Yes |
| New Analytic Functions (Ranking) | Yes | Yes | Yes | Yes | Yes |
| New Apply Operator (Relational Operator) | Yes | Yes | Yes | Yes | Yes |
| New Pivot and Unpivot Operators (Relational Operators) | Yes | Yes | Yes | Yes | Yes |
| Notification Support | Yes | Yes | Yes | Yes | Yes |
| Recursive Queries | Yes | Yes | Yes | Yes | Yes |
| Top Enhancements | Yes | Yes | Yes | Yes | Yes |
| Distributed Query | Yes | Yes | Yes | Yes | Yes |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Full-Text Search Enhancements | | | | | |
| Full-Text Linked Server Queries | Yes | Yes | Yes | No | Yes |
| Full-Text Search Across Multiple Columns | Yes | Yes | Yes | No | Yes |
| Specification of Language in Query | Yes | Yes | Yes | No | Yes |
|
Service Broker
| Yes | Yes | Yes | Yes4 | Yes4 |
| HTTP Support (Native HTTP) | Yes | Yes | Yes | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Manageability Features | | | | | |
| Backup and Restore of Full-text Catalogs | Yes | Yes | Yes | No | Yes |
| Full-text catalogs included in database attach/detach operations | Yes | Yes | Yes | No | Yes |
| Full-Text Search Upgrade | Yes | Yes | Yes | No | Yes |
| Query Against Views (Formerly Indexing of Views) | Yes | Yes | Yes | No | No |
| Indexing of XML Datatype | Yes | Yes | Yes | Yes | Yes |
| Index Performance Improvements (formerly Inline Gathering , MSSearch 3.0) | Yes | Yes | Yes | No | No |
| Parallel Service Security (formerly Security Context Change) | Yes | Yes | Yes | No | No |
| Rich Status Reporting | Yes | Yes | Yes | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Security Features | | | | | |
| All Permissions Grantable | Yes | Yes | Yes | Yes | Yes |
| Encryption | Yes | Yes | Yes | Yes | Yes |
| Fine-Grained Administration Rights | Yes | Yes | Yes | Yes | Yes |
| Integrated Security for SQL Authorization | Yes | Yes | Yes | Yes | Yes |
| Separation of Users and Schema | Yes | Yes | Yes | Yes | Yes |
| Common Criteria Compliance | Yes5 | No | No | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Availability Features (Database Failure and Redundancy) | | | | | |
| Failover Clustering | Yes | 2-node | No | No | No |
| Multi-Instance Support | 50 | 16 | 16 | 16 | 16 |
| Database Mirroring | Yes | Safety FULL only | No | No; can be used as a witness | No; can be used as a witness |
| Log Shipping | Yes | Yes | Yes | No | No |
| Database Snapshot | Yes | No | No | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Database Maintenance Features | | | | | |
| Data and Backup Checksum Integrity Checks | Yes | Yes | Yes | Yes | Yes |
| Dedicated Administrator Connection | Yes | Yes | Yes | Yes1 | Yes1 |
| Dynamic AWE | Yes | Yes | No | No | No |
| Database Available during Recovery Undo | Yes | No | No | No | No |
| Hot Add Memory2 | Yes | No | No | No | No |
| Mirrored Backup Media | Yes | No | No | No | No |
| Online Index Operations | Yes | No | No | No | No |
| Page Restore | Yes | Yes | Yes | Yes | Yes |
| Online Page and File Restore | Yes | No | No | No | No |
| Parallel Index Operations | Yes | No | No | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| XML Features | | | | | |
| XML Datatype | Yes | Yes | Yes | Yes | Yes |
| Xquery Support | Yes | Yes | Yes | Yes | Yes |
| XML Data Manipulation Language (XML DML) | Yes | Yes | Yes | Yes | Yes |
| XML Views | Yes | Yes | Yes | Yes | Yes |
| FOR XML Enhancements | Yes | Yes | Yes | Yes | Yes |
| XML Type System Support (XML Schema Support) | Yes | Yes | Yes | Yes | Yes |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| Scalability and Performance Features | | | | | |
| Database Engine Tuning Advisor (Replaces Index Tuning Wizard) | Yes | Yes | Yes | No | No |
| Updateable Distributed Partitioned Views | Yes | No | No | No | No |
| Enhanced Read-ahead and Scan (Super Scan) | Yes | No | No | No | No |
| Indexed Views (Materialized Views)3 | Yes | Yes | Yes | Yes | Yes |
| Multiple Active Result Sets (MARS) | Yes | Yes | Yes | Yes | Yes |
| Persisted Computed Columns | Yes | Yes | Yes | Yes | Yes |
| Queuing Support | Yes | Yes | Yes | Yes | Yes |
| Snapshot Isolation Level (Row-level Versioning) | Yes | Yes | Yes | Yes | Yes |
| Table and Index Partitioning | Yes | No | No | No | No |
| VIA Support | Yes | No | No | No | No |
| Parallel DBCC | Yes | No | No | No | No |
| Features/Database Engine Enhancements | EE (32-bit) EE (64-bit) DE (32-bit) DE (64-bit) | SE (32-bit) SE (64-bit) | WG (32-bit) | SSE (32-bit) | SSEA (32-bit) |
| International Features (Collation, Character Support, and Global Deployment) | | | | | |
| Complex Script/Bi-directional Support | Yes | Yes | Yes | Yes | Yes |
| GB18030 Support | Yes | Yes | Yes | Yes | Yes |
| Surrogate Support | Yes | Yes | Yes | Yes | Yes |
| Language Pack | Yes | Yes | Yes | Yes | Yes |