LOB and Extender Usage

When using an extender for a particular LOB type, there are additional options that actually allow the data to be stored in its native format in separate files, such as a picture that is a single JPEG file. In this example, the hierarchical path name would be stored in support tables that would allow the extender to use this indirect reference to process the actual data. The extenders also require administrative support tables that vary based on the extender used. These tables are also referred to as metadata tables, as their content enables the extenders to appropriately handle user requests, such as inserting audio, displaying images, and so on. These tables identify base tables and columns that are enabled for the extender ...

Get DB2® Universal Database™ for OS/390™ v7.1 Application Certification Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.