Modern Database Exam 1 Chapter 1

24) Personal DBMS products, such as Microsoft Access, create a clear distinction between the DBMS and the database application.

FALSE

25) There is no reason for serious database developers to learn many aspects of database processing technology because DBMS products like Microsoft Access hide these aspects.

FALSE

29) Microsoft Access 2013 uses the Access 2003 .mdb file format as the default file format for database files.

FALSE

3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list, other occurrences of the same data item in other rows will be automatically updated as well.

FALSE

4) An advantage of keeping data in lists is that if you add a new row of data to the list, you will never have null values occurring for any data item in the row.

FALSE

6) A relational database stores data in the form of lists.

FALSE

7) Usually, a database table containing both rows and columns is designed to store data for exactly two themes.

FALSE

9) SQL stands for Structural Question Language.

FALSE

22) In the general division of labor between database applications and the DBMS, the application program determines which tables need to be modified.

TRUE

23) In the general division of labor between database applications and the DBMS, the application program formats the results of a query into a report.

TRUE

26) Microsoft Access 2013 is a personal database that combines a DBMS with an application generator.

TRUE

27) The Microsoft Access 2013 application generator provides the ability to create and store forms, reports, and queries.

TRUE

28) Microsoft Access 2013 databases are stored using the file extension .accdb.

TRUE

30) Microsoft Access 2013 uses the AutoNumber data type to create surrogate keys.

TRUE

5) One problem with storing duplicated data is the potential for inconsistent values.

TRUE

8) By separating data into tables containing data on only one theme each, making changes to the data is simplified.

TRUE

15) Metadata is the user data stored in the database.

FALSE

16) Most organizations create and use their own database management system (DBMS) products.

FALSE

18) Referential integrity constraints must be enforced by the application program.

FALSE

19) Application programs are responsible for creating, maintaining, and supporting database backup and recovery systems.

FALSE

21) In the general division of labor between database applications and the DBMS, the processing of forms is considered a DBMS task.

FALSE

43) Which of the following is a function of the database application in a database system? A) Create and transmit queries B) Update database data C) Maintain database structures D) Create tables E) Backup and restore data

A

36) The statement SELECT STUDENT.StudentNumber, STUDENT.StudentName FROM STUDENT WHERE STUDENT.StudentNumber = S12345678 is an example of: A) QBE. B) SQL. C) QLE. D) C++. E) Java.

B

17) The DBMS is used to create the database itself.

TRUE

2) A possible problem with keeping data in lists is that if you delete a row of data from a list, you may also delete some data items that you want to keep.

TRUE

49) The default file format for Microsoft Access 2013 database files is the: A) Access 2007 format. B) Access 2003 format. C) Access XP format. D) SQL Server format. E) XBD format.

A

38) A relational database is: A) a self-describing collection of related tables. B) a collection of forms and reports that support a given purpose. C) a library of queries and data files for querying. D) a set of applications and the data sets for those applications. E) a set of metadata.

A

20) The DBMS receives data update requests from the application program.

TRUE

44) Which of the following is not a function of the database application in a database system? A) Execute application logic B) Control concurrency C) Create and process forms D) Create and transmit queries E) Create and process reports

B

45) Microsoft SQL Server is an example of a: A) database. B) database management system. C) data manipulation system. D) table. E) list manager.

B

46) Microsoft Access is a personal database system, and a personal database system is characterized by: A) the DBMS removing the metadata from the database. B) the DBMS product taking the role of the DBMS and the database application generator. C) the database being stored inside the DBMS. D) the DBMS product being limited to a maximum of ten tables in any given database. E) the DBMS not supporting indexes.

B

35) SQL stands for: A) Standard Query Language. B) Structural Question Language. C) Structured Query Language. D) Standard Question Language. E) Structured Question Language.

C

37) Which of the following is not a basic component of a database system? A) Database B) User C) ERD D) DBMS E) Data applications

C

41) The creation of a database and its tables is a function of which component of the database system? A) Users B) Application C) DBMS D) Database E) Web server

C

48) Microsoft Access 2013 database files are stored using the file extension: A) .adb. B) .asp. C) .accdb. D) .mdb. E) .sql.

C

50) The Microsoft Access 2013 data type of AutoNumber is used when there is a specific need for a: A) foreign key. B) primary key. C) surrogate key. D) spare key. E) secondary key.

C

33) Today almost every commercial database is based on: A) lists. B) the hierarchical model. C) the linked-list model. D) the relational model. E) the object-oriented model.

D

34) A relational database stores data in the form of: A) lists. B) forms. C) columns. D) tables. E) spreadsheets.

D

42) Which of the following is a function of the DBMS in a database system? A) Create and transmit queries B) Control applications C) Create and process forms D) Perform backup and recover E) Process Web page requests

D

47) The Microsoft Access application generator is not responsible for: A) creating forms. B) creating reports. C) creating queries. D) creating tables. E) storing queries.

D

31) A database may be used to help people: A) track which student is assigned to a particular advisor. B) know the current inventory levels of products their company sells. C) check on the estimated arrival time of an incoming flight at an airport. D) look up their checking account balance over the Internet. E) All of the above

E

32) Which of the following problems associated with storing data in a list is avoided by storing data in a relational database? A) Maintaining the data may require changing the same data value in many locations B) Inconsistency when a data item is used multiple times C) Inability to store partial data D) Duplication of data items E) All of the above

E

39) The component of a database that makes it self-describing is the: A) related tables. B) applications. C) library. D) data set. E) metadata.

E

40) Which of the following would not be an example of database metadata? A) Names of tables in a database B) Properties of tables in a database C) Names of columns in a database and their associated tables D) Properties of columns E) Queries against records in the database tables

E

11) Although users use database systems, they are not considered part of a database system.

FALSE

12) A database is a set of one or more computer programs that serves as an intermediary between the users and the database management system (DBMS).

FALSE

14) A database is self-describing because the user maintains a record of the database structure outside the database itself.

FALSE

1) The purpose of a database is to help people keep track of things.

TRUE

10) Relational database tables are commonly combined, queried, and processed using Structured Query Language (SQL).

TRUE

13) A relational database can be defined as a self-describing collection of related tables.

TRUE