Exam 1 - Chapter 1
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
Answer: A
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
Answer: A
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
Answer: A
64) By default, Microsoft Access 2013 saves data files in the ________ file format
Answer: Access 2007
65) Microsoft Access 2013 generates surrogate key values when the ________ data type is used
Answer: AutoNumber
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
Answer: B
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
Answer: 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
Answer: 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
Answer: 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
Answer: 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
Answer: 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
Answer: C
48) Microsoft Access 2013 database files are stored using the file extension: A) adb. B) asp. C) accdb. D) mdb. E) sql.
Answer: 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
Answer: 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
Answer: D
34) A relational database stores data in the form of: A) lists B) forms C) columns D) tables E) spreadsheets
Answer: 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
Answer: 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
Answer: D
56) The purpose of the ________ in a database system is to receive requests from applications and to translate those requests into reads and writes on the database files
Answer: DBMS
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
Answer: 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
Answer: 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
Answer: 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
Answer: E
11) Although users use database systems, they are not considered part of a database system
Answer: 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)
Answer: FALSE
14) A database is self-describing because the user maintains a record of the database structure outside the database itself
Answer: FALSE
15) Metadata is the user data stored in the database
Answer: FALSE
16) Most organizations create and use their own database management system (DBMS) products
Answer: FALSE
18) Referential integrity constraints must be enforced by the application program
Answer: FALSE
19) Application programs are responsible for creating, maintaining, and supporting database backup and recovery systems
Answer: FALSE
21) In the general division of labor between database applications and the DBMS, the processing of forms is considered a DBMS task
Answer: FALSE
24) Personal DBMS products, such as Microsoft Access, create a clear distinction between the DBMS and the database application
Answer: 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
Answer: FALSE
29) Microsoft Access 2013 uses the Access 2003 mdb file format as the default file format for database files.
Answer: 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
Answer: 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
Answer: FALSE
6) A relational database stores data in the form of lists
Answer: FALSE
7) Usually, a database table containing both rows and columns is designed to store data for exactly two themes
Answer: FALSE
9) SQL stands for Structural Question Language
Answer: FALSE
57) ________ constraints are rules that the DBMS enforces to ensure that data values in one table have corresponding values in another related table
Answer: Referential integrity
54) In relational databases, query requests use a language called ________
Answer: Structured Query Language (SQL)
1) The purpose of a database is to help people keep track of things
Answer: TRUE
10) Relational database tables are commonly combined, queried, and processed using Structured Query Language (SQL)
Answer: TRUE
13) A relational database can be defined as a self-describing collection of related tables
Answer: TRUE
17) The DBMS is used to create the database itself
Answer: 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
Answer: TRUE
20) The DBMS receives data update requests from the application program
Answer: TRUE
22) In the general division of labor between database applications and the DBMS, the application program determines which tables need to be modified
Answer: 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
Answer: TRUE
26) Microsoft Access 2013 is a personal database that combines a DBMS with an application generator
Answer: TRUE
27) The Microsoft Access 2013 application generator provides the ability to create and store forms, reports, and queries
Answer: TRUE
28) Microsoft Access 2013 databases are stored using the file extension accdb.
Answer: TRUE
30) Microsoft Access 2013 uses the AutoNumber data type to create surrogate keys
Answer: TRUE
5) One problem with storing duplicated data is the potential for inconsistent values
Answer: TRUE
8) By separating data into tables containing data on only one theme each, making changes to the data is simplified
Answer: TRUE
63) Microsoft Access 2013 database files are stored using the ________ file extension
Answer: accdb
58) The DBMS controls ________ by ensuring that one user's work does not inappropriately interfere with another user's work
Answer: concurrency
59) A(n) ________ is a set of one or more computer programs that serves as an intermediary between the user and the DBMS
Answer: database application
60) In a database system, the ________ creates and processes forms
Answer: database application
62) The Microsoft Access application generator adds the ability to create and store ________, ________, and ________
Answer: forms; reports; queries
51) The purpose of a database is to help people ________
Answer: keep track of things
55) Data that the database keeps about its own structure is called ________
Answer: metadata
53) It is almost always best to design a table in a database so that it contains data on ________ theme
Answer: one
61) Microsoft Access is a(n) ________, which combines a DBMS and an application generator
Answer: personal database
52) A relational database stores data in the form of ________
Answer: tables