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tableBASE VTS is a performance-enhancement product which augments the tableBASE core product. When used with batch, CICS and IMS applications, and DB2 stored procedures, the tableBASE product provides unparalleled improvements in performance, and adds valuable programming and software maintenance functionality to the applications that use it. With its unique data-sharing capabilities, tableBASE VTS offers tableBASE users even further performance advantages.
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tableBASE VTS allows access to shared in-memory tables from both batch and online z/OS environments, and across multiple CICS or IMS regions, allowing applications running in different operating environments to share data for read and write access.
tableBASE VTS takes care of memory management and loads tables into memory so that applications and online users may access data from thousands of small tables, or even tables as large as two gigabytes (2 GB) in size.
Sharing tables through tableBASE VTS means that each table is loaded only once for all applications, and a common view can be maintained and shared. This allows you to:
- reduce I/O processing for the table many times over, as there will be no I/O’s for additional copies of the same data, and less paging I/O for the table due to its much higher usage rate
- remove unwanted programming and operating redundancies
- save a tremendous amount of memory and load time
- ensure data integrity, as users can be sure they are accessing the same data when they are all sharing one table
- make updates immediately available to all applications sharing a VTS
- remove transaction affinities when using tableBASE with CICS.
Here are some examples of how tableBASE VTS is used:
- Brokerage firms share several common stock rate tables among applications that run in different regions. Stock information is dynamic and needs to be accessed quickly and maintained in a common data pool. tableBASE VTS makes this requirement easy to implement by providing instantaneous representations of live data that are shared among all the users -- a powerful time and resource savings opportunity.
- Banks share money market rates and lender information across several regions and environments. Online and batch applications process orders and transactions faster.
- Insurance companies share business rules, processing parameters, insurance rates and customer information for online broker inquiry systems and actuarial and claims processing applications.
- Retail organizations have shared access to store codes, freight tables, inventory lists, supplier, and customer information in memory, for online customer inquiry systems, distribution and sales forecasting and reporting systems.
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