The iSeries Blog

Mar 20 2008   8:32AM GMT

The enhanced DB2 inside V6R1



Posted by: Mark Fontecchio
Tags:
Databases
System i software

Along with i5/OS V6R1 is the DB2 that comes with it, and as there are enhancements in V6R1, so there are for DB2, IBM’s relational database management system. Let’s go over some of the details of those enhancements.

Usability

Many features have been added to System i Navigator, the user interface to System i servers, that enhance DB2 usability.

  • DB2 On Demand Performance Center, which helps tune SQL performance on your System i, now includes customized reports that can be exported to more formats such as spreadsheets so users can more easily review and share SQL performance data.
  • The DB2 Health Center, which reports on database performance and availability, now allows users to track their database environments against system limits.
  • Fast Summary Compare, which allows users to look at a summary of captured data to determine which detailed data should be captured in the future.

Extended support for industry and DB2 standards

SQL Call Level Interface (CLI) is often the interface used when porting application data to DB2 on i5/OS. Now that interface can support wide-character APIs to increase the portability of certain SQL CLI applications.

The DB2 for i5/OS .NET provider now provides tighter integration with Microsoft Visual Studio development environment by adding support for Visual Studio database interfaces and Server Explorer, a server management console for Visual Studio.

The new DB2 provides enhancements to SQL Query Engine (SQE), a technology that IBM says improves queries for database access and is easier to use than the existing Classic Query Engine (CQE).

Application Development

IBM wanted the enhanced DB2 for i5/OS V6R1 to make it easier to use SQL within RPG applications. Included in those improvements are better pre-compilers, the ability to create a SQL statement “shell” that can be automatically copied into an application’s source code, and making coding SQL statements into RPG apps easier using WebSphere and Rational development tools.

DB2 Development Center has been renamed to DB2 Data Studio and offers an area to develop and deploy stored Java or SQL procedures, as well as wizards to help developers create web services based on DB2 data.

Support for data warehouse and BI applications

DB2 Web Query provides the ability to query and build reports from DB2 through browser-based interfaces. With V6R1, it now has licensing changes so users have more options and can save money.

The SQL Syntax support for DB2 now allows a user to group more kinds of data into a single query to reduce the amount of coding necessary for application developers.

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