2. EDITIONS OF SQL SERVER
 Enterprise Edition
 Data center Edition
 Standard Edition
 Developer Edition
 Express Edition , Express Edition with Advance features
 Web edition
 Work group Edition
 Evaluation Edition
 Business Intelligence Edition – introduced in SQL Server
2012

3. DEVELOPER AND EXPRESS EDITIONS
Developer edition - used as a development and test system, not as a
production server. It a choice for people who build and test applications
.
SQL Server Developer Edition cost is $50.00
Express edition – it’s a free cost but many features can’t work in editions.
Maximum memory utilized (per instance of SQL Server Database Engine) – 1GB
Maximum Database size -- 10 GB
Does not support log shipping
Mirroring also can’t support but we can use for witness server.
Does not support for backup compression
Replication – it can support only for subscriber database. Can’t support for
primary database
SQL Server Agent service doesn’t support

4. WEB EDITION
Compare to express edition . Web Edition does not have a database size limit,
Maximum database Size -- 524 PB
Mirroring can’t support but we can use this edition database for witness server.
It support Snapshot Replication
Support for SQL Server agent
We can use Profiler and Database tuning options in this edition
It support log shipping
Maximum memory utilization up to 64 GB

5. STANDARD EDITION
In real time environment uses this editions. It is same as enterprise edition
but small companies used this edition.
Number of CPU’s --- 4
Maximum Memory utilization -- up to 64 GB
Maximum database size ---up to 524 PB
It’s support for mirroring ( synchronous mode)
It’s support only 2 node cluster .
It’s support for Replication(Except Peer to Peer replication)
Support for taking the backups of SQL Server Analysis( called as cubes)
Support for reporting services

6. ENTERPRISE EDITION
This is edition is used for big and scalable applications.
It is more cost compare to other editions because all features will work in
this edition.
This edition can support 8 CPU’s.
Memory utilization up to 2TB.
Maximum database size 524 PB
There is no limitation for nodes in cluster fail over.
Support for all modes of Mirroring .
Publishing data from Oracle to SQL Server
Transparent database encryption
Mirrored backups
Database Snapshot

7. EDITIONS COST
SQL Server 2008 R2 includes a new edition of SQL Server - SQL Server Datacenter
QL Server is available in an Evaluation edition for a 180-day trial period
Datacenter Edition – $57,498 per processor
Standard Edition – $7,499 per processor (socket)
Enterprise Edition – $28,749 per processor
For SQL Server 2008 R2 reference :
http://msdn.microsoft.com/en-us/library/cc645993%28SQL.105%29.aspx
For SQL Server 2014 Reference :
http://msdn.microsoft.com/en-IN/library/cc645993.aspx