CIS 111 Introduction to Related Data Management

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CIS 111 Introduction to Related Data Management Midterm Exam 1. Since database data items are stored in compatible formats and logical connections among them are also stored we describe database data as data dictionary. 2. Analyzing data stored in a data warehouse to find trends is called Data Analysis 3. Faster development of new applications is often possible in a database environment because tables in Database are logically related. 4. A project management tool that shows tasks, resources, task dependencies, and timelines for a project is a(n) PERT 5. The phase in which the conceptual model is mapped to the DBMS is the development of the Database design phase 6. The organization for which the database is designed is referred to as Computerized system. 7. The two parts of a data sublanguage are DDL and DML 8. In a business, if a department can have many workers, but each worker belongs to only one department, the cardinality of the department - to - worker relationship is One to many 9. The basic objects in the E - R model include all of the following EXCEPT table 10. If every member of an entity set must participate in a relationship, the participation is described as many to one 11. A dashed oval is used to indicate which kind of attribute? Derived attribute 12. Of the following types of keys, the one that does not appear in the Entity - Relational model is a Foreign key
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