Relational schemas and other metadata about relations are stored in a structure called the ____________

Related MCQs

• A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called
• _______ In this each module hides the representation details of a major data structure behind functions that access and modify the data structure.
• Collection of logically related data stored together in one or more computerized files.
• ------------- encompass a broad array of tasks that include project planning and estimation system analysis, design of data structure, program architecture, coding, testing and maintenance.
• The extent to which different modules are dependent upon each other is called
• While orientating yourselves to the company’s work practices, you observe that they in fact do not conduct a few tests that they should in order to comply with the relevant safety standard. When you inquire about this from the project manager, he dismisses it saying that those tests are really unnecessary (and takes an unreasonably long time to conduct, as well as being superfluous) and that they have managed with the other tests for so long, without any problems.”
• In what type of coupling, the complete data structure is passed from one module to another?
• Match the following : A- Maintenance control: B- Maintenance prediction: C- Maintenance process: 1-Cost of planning and scheduling hardware preventive maintenance, and software maintenance and upgrades, managing the hardware and software baselines, and providing response for hardware corrective maintenance. 2- Predicting the number of change requires a system understanding and the relationship between the system and external environment. 3- It is triggered by a set of change requests from system users, management or customers.
• Developers work individually on a release and they compare their results with other developers before forwarding that release to customers.
• A control model, where one system is designed as the system controller and has responsibility for managing the execution of other sub-systems can be referred as