Introduction to Databases Final Test Solutions - 1978 Verified Questions

Introduction to Databases Final Test Solutions https://quizplus.com/study-set/2437 25 Chapters 1978 Verified Questions

Introduction to Databases Final Test Solutions Course Introduction Introduction to Databases provides a comprehensive overview of fundamental concepts and techniques related to the design, implementation, and management of database systems. The course introduces students to data models, particularly the relational model, and covers topics such as database architecture, query languages (including SQL), normalization, data integrity, and transaction management. Students will explore how databases underpin modern applications, gain practical experience through hands-on exercises, and develop an understanding of how to apply best practices in organizing and retrieving data efficiently and securely.

Recommended Textbook

Database Processing Fundamentals Design and Implementation 14th Edition by David M. Kroen

Available Study Resources on Quizplus 25 Chapters 1978 Verified Questions 1978 Flashcards Source URL: https://quizplus.com/study-set/2437

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Chapter 1: Introduction Available Study Resources on Quizplus for this Chatper 100 Verified Questions 100 Flashcards Source URL: https://quizplus.com/quiz/48385

Sample Questions Q1) Databases record data in such a way that they can produce information.

A)True B)False Answer: True Q2) What components are included in a database?

Answer: The database contains user data,metadata,indexes and other overhead data,and application metadata.User data is the data from the user's environment that they want to track.Metadata is data about the structure of the database.Indexes and other

overhead

data

are

structures

that

the

database

uses

to

improve

performance.Finally,the application metadata is data about forms,reports,and other application components that some databases,particularly those created with desktop DBMS products,store with the database.

Q3) The current DBMS engine in Microsoft Access is called ADE. A)True B)False Answer: True Q4) The database application is responsible for concurrency control.

A)True B)False Answer: False Page 3 To view all questions and flashcards with answers, click on the resource link above.

Chapter 2: Introduction to Structured Query Language Available Study Resources on Quizplus for this Chatper 114 Verified Questions 114 Flashcards Source URL: https://quizplus.com/quiz/48388

Sample Questions Q1) The SQL built-in function AVG computes the average of values in numeric columns.

A)True B)False Answer: True Q2) The American National Standards Institute (ANSI)maintains the standards for SQL. A)True B)False Answer: True Q3) An alternative to combining tables by a subquery is to use a join.

A)True B)False Answer: True Q4) The columns to be obtained by an SQL command are listed after the FROM keyword.

A)True B)False Answer: False Q5) SQL,although very popular,has never become a national standard.

A)True B)False Answer: False

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Chapter 3: The Relational Model and Normalization Available Study Resources on Quizplus for this Chatper 100 Verified Questions 100 Flashcards Source URL: https://quizplus.com/quiz/48391

Sample Questions Q1) Attribute Y is functionally dependent on attribute X if the value of attribute X determines the value of Y. A)True B)False Answer: True Q2) The condition that a non-key attribute determines another non-key attribute is known as transitive dependency.

A)True B)False Answer: True Q3) Any table that meets the definition of a relation is in 2NF. A)True B)False Answer: False Q4) A table that meets the definition of a relation is in ________.

A)First Normal Form B)Second Normal Form C)Third Normal Form D)Boyce-Codd Normal Form Answer: A Page 5 To view all questions and flashcards with answers, click on the resource link above.

Chapter 4: Database Design Using Normalization Available Study Resources on Quizplus for this Chatper 100 Verified Questions 100 Flashcards Source URL: https://quizplus.com/quiz/48393

Sample Questions Q1) The first step in assessing table structure includes ________.

A)counting rows B)examining columns C)examining data values D)Both A and B are correct Q2) What are general-purpose remarks columns,and why are they a problem?

Q3) Database design varies depending on whether you're building an updatable database or a read-only database.

A)True B)False Q4) The first step in assessing table structure is to count rows and examine columns.

A)True B)False Q5) What are inconsistent values,and why are they a problem?

Q6) Relations are sometimes left unnormalized to improve performance.

A)True B)False Q7) When assessing table structure,how do you determine the number and types of columns in a table?

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Chapter 5: Data Modeling With the Entity-Relationship Model Available Study Resources on Quizplus for this Chatper 104 Verified Questions 104 Flashcards Source URL: https://quizplus.com/quiz/48395

Sample Questions Q1) E-R modeling recognizes both relationship classes and relationship instances.

A)True B)False Q2) The supremetype entity contains the attributes that are common to all subtypes.

A)True B)False Q3) Maximum cardinality refers to ________.

A)the most instances of one entity class that can be involved in a relationship instance with another entity class B)the minimum number of entity classes involved in a relationship C)whether or not an instance of one entity class is required to be related to an instance of another entity class D)whether or not an entity is a weak entity Q4) An entity that holds specialized attributes that distinguish it from one or more other similar entities is a ________.

A)supertype B)subtype C)discriminator D)parent

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Chapter 6: Transforming Data Models Into Database Designs Available Study Resources on Quizplus for this Chatper 103 Verified Questions 103 Flashcards Source URL: https://quizplus.com/quiz/48397

Sample Questions Q1) To represent an N:M relationship in a relational database design,a table is created to represent the relationship itself.

A)True B)False Q2) When the parent entity has a surrogate key,the enforcement actions are the same for both parent and child.

A)True B)False Q3) When transforming supertype/subtype entities into a relational database design,the key of the supertype table is placed into the subtype table typically as the key.

A)True B)False Q4) Which of the following is not true about surrogate keys?

A)They are identifiers that are supplied by the system,not the users.

B)They have no meaning to the users.

C)They are non-unique within a table.

D)They can be problematic when combining databases.

Q5) What are MUST NOT and MUST COVER constraints?

Page 8 Q6) How are one-to-one recursive relationships addressed using the relational model?

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Chapter 7: SQL for Database Construction and Application Processing Available Study Resources on Quizplus for this Chatper 104 Verified Questions 104 Flashcards Source URL: https://quizplus.com/quiz/48399

Sample Questions Q1) The Oracle DBMS supports the SQL BEFORE trigger.

A)True B)False Q2)

Because

SQL

statements

are

set-oriented,whereas

programs

are

element-oriented,the results of SQL statements used in programs are treated as ________.

A)tables B)rows C)files D)pseudofiles Q3) The SQL keyword MODIFY is used to change the structure,properties or constraints of a table.

A)True B)False Q4) Which SQL keyword is used to add one or more rows of data to a table?

A)DELETE B)INSERT C)SELECT D)UPDATE

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Q5) Explain the essential format of the CREATE TABLE statement. Include an example.

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Chapter 8: Database Redesign Available Study Resources on Quizplus for this Chatper 103 Verified Questions 103 Flashcards Source URL: https://quizplus.com/quiz/48401

Sample Questions Q1) When using a doubly nested set of NOT EXISTS SELECT statements,a row that does not match any row matches every row.

A)True B)False Q2) In a correlated subquery,the DBMS must run the lower SELECT statement as a process that is nested within the upper SELECT statement.

A)True B)False Q3)

The

design

produced

by

reverse

engineering

may

be

described

as

a

table-relationship diagram.

A)True B)False Q4) Discuss the role of backup and test databases in database redesign.

Q5) A continuous circular process of changes in user behaviors and change in the information systems they use is a natural outcome of information system use.

A)True B)False Q6) What is a correlated subquery? Include an example.

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Chapter 9: Managing Multiuser Databases Available Study Resources on Quizplus for this Chatper 102 Verified Questions 102 Flashcards Source URL: https://quizplus.com/quiz/48403

Sample Questions Q1) Resource locking is one remedy to the lost update problem.

A)True B)False Q2) Which of the following is true about making changes to the database structure?

A)The DBA need not get input from users on the issue because it is a technical decision.

B)Formal policies and procedures for requesting a change are not used because they are too limiting.

C)Documentation of when the change was made,how it was made,and why it was made must be created.

D)Changes do not produce unexpected results because the DBA will have investigated the change thoroughly before implementing it.

Q3) Two-phased locking has a growing phase and a shrinking phase.

A)True B)False Q4) An active data repository is one in which the metadata is automatically created as the system components are created.

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Chapter 10: Managing Databases With SQL Server 2014 Available Study Resources on Quizplus for this Chatper 101 Verified Questions 101 Flashcards Source URL: https://quizplus.com/quiz/48383

Sample Questions Q1) When viewing a table in the GUI tools table design window in SQL Server,the notation that should supply the values for a surrogate key is that the Identity property of that column is set to "Yes." A)True B)False Q2) What name is so special to SQL Server that no stored procedure will work on a table with that name,not even if it is enclosed in brackets?

A)NAME B)UPDATE C)TRANSACTION D)KEY Q3) The default cursor concurrency setting for a static cursor in SQL Server is ________.

A)SCROLL_LOCK B)Optimistic C)Serializable D)Read only Q4) Briefly explain the different SQL Server recovery models.

Q5) Briefly explain the different SQL Server backup types.

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Chapter 11: Managing Databases With Oracle Database Available Study Resources on Quizplus for this Chatper 106 Verified Questions 106 Flashcards Source URL: https://quizplus.com/quiz/48386

Sample Questions Q1) The Oracle Database GUI tool used for application development is the Oracle SQL Developer.

A)True B)False Q2) Which of the following is true of Oracle Database when the isolation level is set to Serializable?

A)It will update any row having an SCN greater than the Transaction SCN. B)It will delete any row having an SCN greater than the Transaction SCN. C)It will read any row having an SCN greater than the Transaction SCN. D)It will wait for a blocking transaction to release an exclusive lock.

Q3) The Oracle database PL/SQL statement used to test for a condition and then direct when blocks of code should be run depending on the outcome of the test is ________.

A)DECLARE B)BEGIN C)IF...THEN...ELSE...END IF D)LOOP Q4) Explain the Oracle Database PL/SQL Block Structure.

Q5) What is the Database Configuration Assistant (DBCA)?

Q6) Explain the Oracle Database PL/SQL control-of-flow statements.

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Chapter 12: Managing Databases With Mysql 56 Available Study Resources on Quizplus for this Chatper 101 Verified Questions 101 Flashcards Source URL: https://quizplus.com/quiz/48389

Sample Questions Q1) MySQL uses MySQL OLD transition variables with triggers to access old data updated or deleted from a table row.

A)True B)False Q2) MySQL Workbench is the MySQL GUI database administration utility.

A)True B)False Q3) The MySQL statement to store a stored procedure in the database is ________.

A)CREATE PROCEDURE B)ALTER PROCEDURE C)DROP PROCEDURE D)CLOSE PROCEDURE Q4) The MySQL command line utility is ________.

A)MySQL*Plus B)the MySQL Command-Line Client C)MySQL-Shell D)MySQL-CMD Q5) MySQL databases are backed up using the MySQL Backup System.

A)True B)False

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Chapter 13: The Web Server Environment Available Study Resources on Quizplus for this Chatper 128 Verified Questions 128 Flashcards Source URL: https://quizplus.com/quiz/48405

Sample Questions Q1) If the Web server and the DBMS are running on the same server,the system has a three-tier architecture.

A)True B)False Q2) In the 1990s the database community and the document processing community created a standard called Expandable Markup Language (XML).

A)True B)False Q3) What are the different types of conformance levels within the ODBC standard,and why do they exist?

Q4) Why is the decomposition of the features and functions of a DBMS into different objects an advantage for OLE DB? Q5) As compared to CGI files,JSP pages ________.

A)are less memory efficient B)require more processor time C)execute faster D)keep more copies of a given page in memory Q6) Explain the process by which JSP pages are compiled.

Q7) What is XML,and why is it significantlyPage better 15 than HTML? To view all questions and flashcards with answers, click on the resource link above.

Chapter 14: Big Data, Data-Warehouses, and Business Intelligence Systems Available Study Resources on Quizplus for this Chatper 108 Verified Questions 108 Flashcards Source URL: https://quizplus.com/quiz/48407

Sample Questions Q1) Microsoft Excel 2013 cannot import SQL Server 2014 data directly into a PivotTable report,but must first place the data into a worksheet.

A)True B)False Q2) To create an OLAP report for an SQL Server 2014 database,use the PivotTable tool in SQL Server 2014.

A)True B)False Q3) Hadoop is a(n)________.

A)RDMBS B)OODBMS C)distributed file system (DFS) D)Web server Q4) Which of the following is (are)true about data mining applications?

A)They use sophisticated mathematical techniques.

B)They use sophisticated statistical techniques.

C)Their report delivery is more important than report delivery for reporting systems.

D)Both A and B are correct Page 16 To view all questions and flashcards with answers, click on the resource link above.

Chapter 15: Getting Started With Microsoft Access 2013 Available Study Resources on Quizplus for this Chatper 53 Verified Questions 53 Flashcards Source URL: https://quizplus.com/quiz/48384

Sample Questions Q1) In Microsoft Access,the primary key must be set as a field property while the table is in Design View.

A)True B)False Q2) Describe the tabbed Ribbon.

Q3) 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 DBMS not supporting indexes D)the DBMS product being limited to a maximum of ten tables in any given database Q4) Microsoft Access is considered a "personal database" product.What is a personal database?

Q5) Microsoft Access 2013 uses the Microsoft Office Fluent User Interface.

A)True B)False Q6) What is the Microsoft Office Fluent User Interface?

Q7) Explain how to create a relationship in Microsoft Access.Include an example.

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Chapter 16: Getting Started With Systems Analysis and Design Available Study Resources on Quizplus for this Chatper 37 Verified Questions 37 Flashcards Source URL: https://quizplus.com/quiz/48387

Sample Questions Q1) How does Michael Porter define primary or operational business activities? What do they include?

Q2) Information systems must be both developed and used to help businesses reach their goals and objectives.

A)True B)False Q3) Databases are created in a DBMS during the ________ step of the SDLC. A)system definition B)requirements analysis C)component design D)implementation Q4) Data models are created during the ________ step of the SDLC. A)system definition B)requirements analysis C)component design D)implementation Q5) One deliverable from the requirements analysis step is a statement of requirements (SOR).

A)True

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Chapter 17: E-R Diagrams and the IDEF1X Standard Available Study Resources on Quizplus for this Chatper 37 Verified Questions 37 Flashcards Source URL: https://quizplus.com/quiz/48390

Sample Questions Q1) What are IDEF1X domains?

Q2) A categorization relationship is an IS-A relationship.

A)True B)False Q3) Extended E-R model weak,but non-ID-dependent relationships are called nonidentifying connection relationships in IDEF1X. A)True B)False Q4) Extended E-R model 1:1 relationships are called nonidentifying connection relationships in IDEF1X. A)True B)False Q5) Extended E-R model N:M relationships are called nonidentifying connection relationships in IDEF1X. A)True B)False Q6) IDEFIX domains are numbered sets of values.

A)True B)False Page 19 Q7) What symbols are used in IDEF1X diagrams to represent cardinalities?

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Chapter 18: E-R Diagrams and the UML Standard Available Study Resources on Quizplus for this Chatper 36 Verified Questions 36 Flashcards Source URL: https://quizplus.com/quiz/48392

Sample Questions Q1) In the UML-style entity class ORDERS shown above,"SumOfOrders" is ________.

A)an entity attribute B)a method C)a constraint D)a class attribute Q2) Maximum cardinalities are represented in UML-style E-R diagrams with the same notation (1:1,1:N,N:M)as in traditional E-R diagrams.

A)True B)False Q3) Persistent means that data should continue to exist in the database even if the object that processes it is destroyed.

A)True B)False Q4) In UML,an attribute preceded by a(n)________ is "protected."

A)<persistent> B)# C)D)+ Q5) What is OOP persistence,and how is it indicated in UML-style E-R diagrams?

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Chapter 19: Getting Started With Mysql Workbench Data Modeling Tools Available Study Resources on Quizplus for this Chatper 37 Verified Questions 37 Flashcards Source URL: https://quizplus.com/quiz/48394

Sample Questions Q1) Describe how to get started creating a new database design in the MySQL Workbench.

Q2) Describe the MySQL Connector/ODBC and how to install it.

Q3) To add a table to a database design,click the Place a New Table button,move the cursor to the diagram area and click the left mouse button.

A)True B)False Q4) In order to create MySQL EER diagrams,users must log into MySQL using the Connect to Database and the Connect to MySQL Server dialog boxes.

A)True B)False Q5) The MySQL Installer for Windows can be used to install the MySQL Workbench.

A)True B)False Q6) Describe how to set table properties in a MySQL Workbench database design.

Q7) Users should create a MySQL Workspace folder to hold documents created with the MySQL Workbench.

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Chapter 20: Getting Started With Microsoft Visio 2013 Available Study Resources on Quizplus for this Chatper 32 Verified Questions 32 Flashcards Source URL: https://quizplus.com/quiz/48396

Sample Questions Q1) In Microsoft Visio 2013,the Crow's Foot Database Notation stencil objects include a Recursive Relationship object.

A)True B)False Q2) In Microsoft Visio 2013,the Crow's Foot Database Notation stencil objects include a Category object.

A)True B)False Q3) In Microsoft Visio 2013,we can create database designs using Entity and Dynamic connector objects.

A)True B)False Q4) In Microsoft Visio 2013,how do we create database designs?

Q5) In Microsoft Visio 2013,when the Entity object is placed in a diagram,it is labeled as a table.

A)True B)False Q6) In Microsoft Visio 2013,how do we format line ends in data models to represent the symbols used in the IE Crow's Foot notation?

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Chapter 21: Data Structures for Database Processing Available Study Resources on Quizplus for this Chatper 39 Verified Questions 39 Flashcards Source URL: https://quizplus.com/quiz/48398

Sample Questions Q1) Linked lists can be used to keep records in ________.

A)logical order B)physical order C)sequential order D)pseudo order Q2) What is a linked list?

Q3) DBMS products represent trees using all of the following except ________.

A)indexes B)linked lists C)sequential lists D)secondary lists Q4) How does a DBMS store data on its direct access files?

Q5) Data structures are typically used to ________.

A)unbalance a B-Tree B)represent simple and complex networks C)enhance database security D)fry an egg Q6) A simple network can be represented using linked lists and indexes.

A)True B)False

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Chapter 22: the Semantic Object Model Available Study Resources on Quizplus for this Chatper 35 Verified Questions 35 Flashcards Source URL: https://quizplus.com/quiz/48400

Sample Questions Q1) Semantic objects represent the user's perceptions more closely than the E-R model.

A)True B)False Q2) A simple object is a semantic object that contains only ________.

A)single-value,simple or group attributes B)single-value,object attributes C)single-value,simple attributes D)multi-value,simple or group attributes Q3) The key of an attribute is a description of an attribute's possible values.

A)True B)False Q4) Which of the following statements about Subtype objects is not true?

A)Subtypes can be Inclusive (an object may be more than one subtype).

B)Subtypes can be Exclusive (an object may only be one of the subtypes).

C)Subtypes can be Nested.

D)All relations between the parent and subtype are 1:N. Q5) Explain the concept of semantic objects as being a sufficient description.

Q6) Explain the differences between the E-R model and the semantic object model.

Q7) Describe the two ways that semanticPage object 24views can be used.

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Chapter 23: Getting Started With Web Servers, PHP, and the Netbeans IDE Available Study Resources on Quizplus for this Chatper 35 Verified Questions 35 Flashcards Source URL: https://quizplus.com/quiz/48402

Sample Questions Q1) The Java JRE is installed directly from the Java download page at ________.

A)www.oracle.com B)www.jre.com C)www.jdk.com D)www.sun.com Q2) The delimiters for embedding PHP code in a web page are ________.

A){ and } B)<php and /php> C)<?php and ?> D){php and ?} Q3) For a workstation running the Windows operating system,the additional user file system permissions ________ must be granted to the Users group at the wwwroot folder.

A)Read and Write B)Modify and Read C)Modify and Write D)Read and Execute Q4) There is only one way to install PHP. A)True B)False

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Chapter 24: Business Intelligence Systems Available Study Resources on Quizplus for this Chatper 82 Verified Questions 82 Flashcards Source URL: https://quizplus.com/quiz/48404

Sample Questions Q1) Which of the following is (are)true about data mining applications?

A)They use sophisticated mathematical techniques.

B)They use sophisticated statistical techniques.

C)Their report delivery is more difficult than report delivery for reporting systems.

D)Both A and B are correct Q2) Refer to the table above.What is the lift for Drug B being purchased given that Drug A has been purchased?

A).200 B).250 C).333 D).667 Q3) A reporting system does not maintain a database of metadata.

A)True B)False Q4) What is data mining application?

Q5) Business Intelligence (BI)systems support operational activities.

A)True B)False Q6) What are Business Intelligence (BI)systems?

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Chapter 25: Big Data Available Study Resources on Quizplus for this Chatper 81 Verified Questions 81 Flashcards Source URL: https://quizplus.com/quiz/48406

Sample Questions Q1) An important improvement of XML Schema over DTDs is that XML Schemas are themselves XML documents.

A)True B)False Q2) XML Schema is used to define ________.

A)document content and structure B)XQL queries C)DOM-compliant parsers D)DTDs Q3) Specify the four categories of NoSQL databases used in the text,and give an example of each.

Q4) What are the elements of a graph database?

Q5) XML documents can be ________ against their XML Schema.

A)measured B)grown C)validated D)browsed Q6) NoSQL really stands for "Not only SQL." A)True B)False

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