Chapter 5
________ is a popular enterprise database management system (DBMS) product from IBM. A) DB2 B) Access C) SQL Server D) MySQL
A) DB2
Which of the following best describes a byte in a database? A) It is a character of data. B) It is a group of rows. C) It is a collection of data. D) It is a group of columns.
A) It is a character of data.
________ refers to software products that support very high transaction rates, processing relatively simple data structures, replicated on many servers in the cloud. A) NoSQL DBMS B) MySQL DBMS C) Traditional DBMS D) Relational DBMS
A) NoSQL DBMS
Which of the following is considered an administrative function of the database management system (DBMS)? A) adding structures to improve the performance of database applications B) testing program codes in the system for errors C) creating tables, relationships, and other structures in databases D) using international standard languages for processing database applications
A) adding structures to improve the performance of database applications
A ________ is a collection of forms, reports, queries, and programs that serves as an intermediary between users and database data. A) database application B) metadata table C) database hierarchy D) dimension table
A) database application
In a database, columns that are keys of a different table than the one in which they reside are known as ________ keys. A) foreign B) alternate C) relational D) candidate
A) foreign
In a database, the collection of data for all columns is called a ________. A) record B) field C) file D) table
A) record
In a database, rows are also called ________. A) records B) fields C) tables D) files
A) records
One of the reasons for the appearance of new styles of nonrelational database processing is the need for ________. A) storing data types such as images, audio, and videos in organizations B) gaining faster performance by limiting the number of servers used C) breaking up sales orders via normalization D) limiting the use of open-source document-oriented DBMS
A) storing data types such as images, audio, and videos in organizations
In a database, a group of similar rows is called a ________. A) table B) record C) field D) matrix
A) table
Which of the following is a nonrelational data store developed by Amazon.com? A) Bigtable B) Dynamo C) Cassandra D) MongoDB
B) Dynamo
Which of the following is a database management system (DBMS) product from Microsoft? A) MySQL B) SQL Server C) DB2 D) Sybase ASE
B) SQL Server
Traditional database application programs are written in object-oriented languages like ________. A) Pascal B) Visual Basic C) Datalog D) Unigraphics
B) Visual Basic
Conducting training to ensure that users and operations personnel know and understand recovery procedures is a task associated with the DBMS ________. A) processing B) administration C) creation D) modification
B) administration
Which of the following elements of a database application provides security, data consistency, and special-purpose processing? A) query applications B) application programs C) reports D) forms
B) application programs
In a database, bytes are grouped into ________. A) tables B) columns C) rows D) records
B) columns
Which of the following best describes the metadata in a database? A) programs used to create, process, and administer a database B) special data that describes the structure of a database C) data that is stored in a Web site D) special data that is unique to a specific user
B) special data that describes the structure of a database
Which of the following is a drawback of the relational database processing model? A) It utilized an extensive amount of storage space. B) It required powerful processors to function. C) It was never a natural fit with business documents. D) It did not enable document piece-making via normalization.
C) It was never a natural fit with business documents.
SQL stands for ________. A) Standard Query Language B) Secondary Query Language C) Structured Query Language D) Simplified Query Language
C) Structured Query Language
________ is an international standard language that is used for processing a database. A) HyperText Markup Language B) Dynamic HyperText Markup Language C) Structured Query Language D) Sybase language
C) Structured Query Language
Which of the following is true of browser-based database applications? A) They are written in object-oriented languages such as Structured Query Language. B) The application, database management system (DBMS), and the database reside on the user's computer. C) They are displayed and processed using html, html5, or css3. D) They use C++ as the standard language for user-side processing.
C) They are displayed and processed using html, html5, or css3.
One of the important functions of a database management system (DBMS) is to provide the necessary tools for ________. A) encrypting emails B) encapsulating data objects C) administering the database D) testing program codes
C) administering the database
Browser-based database applications differ from traditional applications in that they ________. A) have no security requirements B) are used only by corporates C) are usually open to the public D) fail to support graphical queries
C) are usually open to the public
A ________ is a self-describing collection of integrated records. A) datasheet B) dataflow C) database D) dataspace
C) database
A(n) ________ is a program that is used to create, process, and administer a collection of self-describing integrated records. A) decision support system (DSS) B) knowledge management system (KMS) C) database management system (DBMS) D) enterprise planning system (EPS)
C) database management system (DBMS)
In a database, a table is also called a ________. A) record B) matrix C) file D) field
C) file
The database management system (DBMS) provides applications for processing operations such as ________. A) sending and receiving emails B) generating software codes C) inserting or deleting information D) automating business processes
C) inserting or deleting information
Which of the following is a major drawback of multi-user processing of a database? A) lack of data integrity B) software redundancy C) lost-update problem D) limited access to data
C) lost-update problem
Data that describe the data contained in a database are called ________. A) open matrices B) primary data C) metadata D) closed matrices
C) metadata
Databases that carry their data in the form of tables and represent relationships using foreign keys are called ________ databases. A) hierarchical B) network C) relational D) object
C) relational
Which of the following elements of a database application presents data in a structured manner using sorting, grouping, filtering, and other operations? A) queries B) forms C) reports D) application programs
C) reports
Which of the following is true of the relational database processing model? A) It supports very high transaction rates. B) It can efficiently store files with large collections of bits. C) It helps organizations store new data types such as images, audio, and videos. D) It represents relationships with the help of foreign keys.
D) It represents relationships with the help of foreign keys.
Monitoring the performance of a database after providing solutions for improving its performance is an activity of the DBMS pertaining to ________. A) creation B) modification C) processing D) administration
D) administration
In a database, columns are also called ________. A) records B) tables C) files D) fields
D) fields
Which of the following elements of a database application helps in the insertion of new data and the deletion of existing data? A) reports B) application programs C) queries D) forms
D) forms
In a database, a column or group of columns that identifies a unique row in a table is known as a ________. A) field B) record C) file D) key
D) key
Which of the following is a function of the database management system (DBMS)? A) implementing lean systems in workstations B) eliminating bottlenecks in business processes C) automating workflows in the databases of companies D) processing a database by inserting or modifying data
D) processing a database by inserting or modifying data
In a database, a table is formally referred to as a ________. A) matrix B) field C) record D) relation
D) relation
The purpose of a database is to ________. A) test and troubleshoot newly installed software B) design the source code for computer programs C) describe and build computer architectures D) store lists of data involving multiple themes
D) store lists of data involving multiple themes
The conversion of the existing traditional databases in organizations to NoSQL databases is ________. A) highly efficient and is being practiced by many organizations B) highly recommended because it is user friendly C) very cost-effective but can be enormously disruptive D) unnecessary when relational databases meet the needs of organizations
D) unnecessary when relational databases meet the needs of organizations
All traditional databases require the Internet to transmit traffic between a user's computer and a database management system (DBMS) server computer. TRUE or FALSE
FALSE
Bytes, which are characters of data, are grouped into rows in a database. TRUE or FALSE
FALSE
DB2 is a popular database management system product that is licensed from Microsoft. TRUE or FALSE
FALSE
Databases that carry their data in the form of tables and that represent relationships using foreign keys are called discrete databases. TRUE or FALSE
FALSE
HyperText Markup Language is an international standard language for processing a database. TRUE or FALSE
FALSE
In a database, columns are also called records. TRUE or FALSE
FALSE
In a database, the collection of data for all columns is called a file. TRUE or FALSE
FALSE
Most organizations develop their own database management systems. TRUE or FALSE
FALSE
MySQL database management system refers to software systems that support very high transaction rates, processing relatively simple data structures, replicated on many servers in the cloud. TRUE or FALSE
FALSE
Queries in database applications present data in a structured manner using operations such as sorting, grouping, and filtering. TRUE or FALSE
FALSE
Reports in database applications provide security, data consistency, and special-purpose processing. TRUE or FALSE
FALSE
Security requirements are more stringent for traditional applications than for browser-based ones. TRUE or FALSE
FALSE
The lost-update problem caused by multi-user processing in databases can be prevented by avoiding all types of database locking. TRUE or FALSE
FALSE
A database application serves as an intermediary between users and database data. TRUE or FALSE
TRUE
A database is a self-describing collection of integrated records. TRUE or FALSE
TRUE
A database management system is also referred to as a database. TRUE or FALSE
TRUE
Browser applications are thin-client applications that need not be preinstalled on the users' computers. TRUE or FALSE
TRUE
Browser database application forms, reports, and queries are displayed and processed using HyperText Markup Language (HTML). TRUE or FALSE
TRUE
Database management system (DBMS) administrative functions include adding structures to improve the performance of database applications. TRUE or FALSE
TRUE
Databases are required to keep track of lists with multiple themes. TRUE or FALSE
TRUE
In a database, a group of similar rows or records is called a table. TRUE or FALSE
TRUE
In a database, a key is a column or group of columns that identifies a unique row in a table. TRUE or FALSE
TRUE
In single-user databases, the application, the database management system (DBMS), and the database all reside on a user's computer. TRUE or FALSE
TRUE
NoSQL database management system products are very technical and can be used only by those with a deep background in computer science. TRUE or FALSE
TRUE
Structured query language statements can be issued directly to the database management system (DBMS) by an application program. TRUE or FALSE
TRUE
The administrative functions of a database management system (DBMS) include backing up database data. TRUE or FALSE
TRUE
The database management system (DBMS) can be used to set up a security system involving user accounts, passwords, permissions, and limits for processing the database. TRUE or FALSE
TRUE
The format of the metadata in a database depends on the software product that is processing the database. TRUE or FALSE
TRUE
To find out what a database contains, one can look at the metadata inside the database. TRUE or FALSE
TRUE
Traditional database application programs are written in object-oriented languages such as C++. TRUE or FALSE
TRUE
