Feature |
SQL Server 2012 Express |
SQL Server 2012 Web |
SQL Server 2012 Standard |
Maximum number of instances |
50 |
50 |
50 |
Maximum number of processors |
Lesser of 1 socket or 4 cores |
Lesser of 4 sockets or 16 cores |
Lesser of 4 sockets or 16 cores |
Maximum RAM |
1 GB |
64 GB |
64 GB |
Maximum database size |
10 GB |
524 TB |
524 TB |
High Availability - log shipping |
No |
Yes |
Yes |
High Availability - database mirroring |
Witness only |
Witness only |
Yes (Safety Full only) |
High Availability - failover clustering |
No |
No |
Yes (2 nodes) |
Backup compression |
No |
No |
Yes |
Replication publishing |
No |
No |
Yes |
SQL Server Agent |
No |
Yes |
Yes |
Database Tuning Advisor |
No |
Yes |
Yes |
BI Features (Analysis Services, Integration Services) |
No |
No |
Yes |
Report Server |
Express with Advanced Services only |
Yes |
Yes |
Supported Report Server catalog DB |
Express |
Web |
Standard or higher |
Supported Report data source |
Express |
Web |
All editions |
Service Broker |
Client-only |
Client-only |
Yes |
Full-text semantic search |
Express with Advanced Services only |
Yes |
Yes |
SQL Profiler |
No |
No |
Yes |
Database Mail |
No |
Yes |
Yes |
StreamInsight |
No |
Yes |
Yes |