Practice Questions Chapter 3: Databases and Data Warehouses XLM/J: Implementing a Database with Microsoft Access 1. Which type of database stores data in two-dimensional tables? A) Network B) Hierarchical C) Table *D) Relational 2. What part of the database stores information about the data? *A) Data dictionary B) Data depository C) Data warehouse D) Administrative data systems 3. What database key uniquely identifies a record within a table? *A) Primary key B) Foreign key C) Secondary key D) Relational key 4. What database key links one table to another? A) Primary key *B) Foreign key C) Secondary key D) Relational key 5. What are the rules called that limit how data is entered into a database? A) Data restrictions B) Controls *C) Constraints D) Database checks 6. What do you create when you need to pose a question to the database? A) Inquiry B) Rule C) Question *D) Query 7. What type of a database is multidimensional, providing layers to tables? A) Multidimensional B) Network C) Hierarchical *D) Data warehouse 8. Which of the following is a subset of a data warehouse? A) Relational database B) OLAP C) Intelligent Agent *D) Data mart 9. Which function in an organization plans for information resources? *A) Data administration B) Database administration C) Knowledge Management D) Information Management 10. Which function in an organization manages information resources? A) Data administration *B) Database administration C) Knowledge Management D) Information Management 11. What is another name for a database that supports OLTP? A) Business intelligence B) File management C) Records management *D) Operational database 12. Your student ID is an example of a(n) _____. A) Relation B) Table C) Business rule *D) Attribute 13. A database management system contains five important software components. Which of the following components allows you to add, change, and delete information in a relational database? A) Data definition subsystem B) Application generator subsystem C) Data administration subsystem *D) Data manipulation subsystem 14. What is the purpose of a data warehouse? A) Backup and recovery *B) To support decision making and OLAP C) To support transaction processing and OLTP D) To support, backup and recovery, OLAP, and OLTP 15. Which of the following contains a subset of a data warehouse in which only a focused portion of the data is kept? *A) Data mart B) Intelligent agent C) Business intelligent subsystem D) Operational database 16. What is the term used to describe the sharing of information regardless of title or department. A) Open source B) Data mining *C) Information sharing D) Data distribution 17. What is the objective of business intelligence (BI)? A) To process transactional information efficiently and effectively B) To provide decisions makers with a great deal of information *C) To provide timely and quality information to decision makers D) To process external information or information that is purchased from outside vendors 18. Which data warehouse tools are slice-and-dice techniques that allow you to view multidimensional information from different perspectives? A) Query-and-reporting B) Intelligent agents C) OLTP *D) Multidimensional analysis 19. Which of the following DBMS components allows you to quickly develop computer routines or tasks that will process your business transactions? A) Programming query B) Automatic module generator *C) Application generation subsystem D) Fast programming 20. If you needed to store facts about information that you were collecting, you would store these facts in the _____. A) Relations B) Database management system C) Business rules *D) Data dictionary 21. What data base function allows you to define the data your database is storing? A) Definition wizard B) Query Function C) Design view *D) Data dictionary 22. Sometimes the user can see the data differently than the way it is stored in the database. What is this "look" of the data called? A) Data type B) Data dictionary C) Data form *D) User view 23. If you wanted to tell the database management system that a specific attribute contained numbers only, what would you need to set? A) Data category *B) Data type C) Data dictionary D) Data definition 24. What key uniquely identifies a record in a database table? A) Main key *B) Primary key C) Principal key D) Major key 25. What key links records from one database table to a record or records in another database table? A) Primary key B) Principal key *C) Foreign key D) Link key 26. What is an attribute called when you can separate it into smaller attributes? A) Secondary attribute B) Complex attribute *C) Composite attribute D) Candidate view 27. When you link one database table to another database table, what are you creating? A) Primary link B) Connectivity *C) Relationships D) Referential integrity 28. What would you need to establish if you wanted to insure that they key in one database table was the same as a key in another database table? A) Top-level grouping B) Connectivity *C) Referential integrity D) Field properties 29. What database tool would you use to find answers to your questions about data stored in your database? *A) Queries B) Tables C) Show D) Q&A 30. What database tool would you use if you wanted to automate the data-entry process? A) Table B) Queries *C) D) Forms Reports 31. Which of the following could you use to create a relation or table in MS Access? A) Design view B) Wizard C) Query view *D) Design view or a wizard 32. Where does the information about a field (e.g., size, type, decimals) get stored in MS Access? A) Data dictionary B) Field view C) Field properties *D) Table view 33. When generating a new report, within which screen is the Summary Option button located? A) Top-level grouping B) Further grouping C) Sorting *D) Field properties 34. When you're creating relationships, what Access option allows you to protect your database from inconsistent data? A) Create Integrity Constraint *B) Enforce Referential Integrity C) Cascading Rules D) Link Keys 35. There are a specific set of tasks that need to be completed when building a business report. What is not part of the first three tasks? A) Choose tables and/or queries *B) Edit relationships C) Choose fields D) Grouping 36. A data dictionary includes a description of each relation. *A) True B) False 37. A composite primary key is a primary key containing more than one field or attribute. *A) True B) False 38. When you establish a relationship between a primary and foreign key, the DBMS can enforce integrity constraints. *A) True B) False 39. When generating a report, first start by selecting the Reports tab in MS Access. *A) True B) False 40. A query allows you to view a subset of the database by entering a value in the criteria. *A) True B) False