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Advance Addon features that we can find in SQL Server 2008

SQL Server 2008 also includes an assortment of add-on services. While these are not essential for the operation of the database system, these provide value added services on top of the core database management system.
These services either run as a part of some SQL Server component or out-of-process as Windows Service and presents their own API to control and interact with them.

SQL Server 2008 Replication Services

1 – Transaction replication process
Each transaction made to the publisher database (master database) is synced out to subscribers, who update their databases with the transaction. Transactional replication synchronizes databases in near real time.

2 – Merge replication process
Changes made at both the publisher and subscriber databases are tracked, and periodically the changes are synchronized bi-directionally between the publisher and the subscribers. If the same data has been modified differently in both the publisher and the subscriber databases, synchronization will result in a conflict which has to be resolved – either manually or by using pre-defined policies.

3 – Snapshot replication process
Snapshot replication published a copy of the entire database (the then-snapshot of the data) and replicates out to the subscribers. Further changes to the snapshot are not tracked.

Advantages of SQL Data Services

1 – Helps developers to maintain low-cost management with a highly scalable infrastructure within the application.

2 – Helps maintain business-ready reliability, security features, and availability for continuity. Ideals for corporates users.

3 – Helps enable developers to quickly build or extend applications to run in the cloud environment. This will certainly increase the efficiency of workforce within the organization.

SQL Server 2008 Reporting Services

Reports can be designed using recent versions of Microsoft Visual Studio (including Visual Studio.NET 2003 onwards) with Business Intelligence Development Studio, installed or with the included Report Builder. Once created, RDL files can be rendered in a variety of formats such as Excel, PDF, CSV, XML, TIFF (and other image formats), and HTML Web Archive.

To gain all the advantages as stated above with the SQL Server 2008, we need to ensure that our application has been fully tested and deploy into a SQL Server 2008 hosting compatible environment.