10
Internal Persistent LOBs

Use Case Model

This chapter describes each operation on LOBs (such as "Write Data to a LOB") in terms of a use case. Table 10-1, "Internal Persistent LOB Basic Operations", alphabetically lists all these use cases.

Graphic Summary of Use Case Model

A summary figure, Figure 10-1, "Use Case Model Diagram: Internal Persistent LOBs (part 1 of 2)" , shows all the use cases in a single Universal Modeling Language (UML) drawing. In the online versions of this document, you can use this figure to navigate to each use case by selecting the use case title.

Individual Use Cases

Each detailed internal persistent LOB use case operation description is laid out as follows:

• Use case figure. This UML drawing depicts the use case. Appendix A, "How to Interpret the Universal Modeling Language (UML) Diagrams" explains how to interpret these diagrams.

• Purpose. The purpose of this LOB use case.

• Usage Notes. Guidelines to assist your implementation of the LOB operation.

• Syntax. The main syntax used to perform the LOBs related activity.

• Scenario. Gives an implementation of the use case in terms of the multimedia application. Appendix B, "The Multimedia Schema Used for Examples in This Manual" describes the multimedia schema.

• Examples. How to apply each use case and based on the schema described in Appendix B, "The Multimedia Schema Used for Examples in This Manual".