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Related Content: CS403 - VU Lectures, Handouts, PPT Slides, Assignments, Quizzes, Papers & Books of Database Management Systems

Overview of Lecture

• Introduction to Views
• Views, Data Independence, Security
• Choosing a Vertical and Horizontal Subset of a Table
• A View Using Two Tables
• A View of a View
• A View Using a Function
• Updates on Views

Views

Views are generally used to focus, simplify, and customize the perception each user has of the database. Views can be used as security mechanisms by allowing users to access data through the view, without granting the users permissions to directly access the underlying base tables of the view.

Read more: CS403 - Database Management Systems - Lecture Handout 39

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Related Content: CS605 - VU Lectures, Handouts, PPT Slides, Assignments, Quizzes, Papers & Books of Software Engineering II

Change Control Process

The first component of the change control process is the Change Control Authority (CCA) or a Change Control Board (CCB). A CCA or CCB includes people from both developer and client side.

Whenever a change is required, the CCB decides whether to allow this change to happen or deny it. If it is decided that a change is needed, an Engineering Change Order or ECO is generated. An ECO defines the change to be made, the constraints that must be respected, and the criteria for review and audit. The change control process thus involves the following steps.

Read more: CS605 - Software Engineering II - Lecture Handout 35