Relational Database Design Study Guide Questions
Course Introduction
Relational Database Design explores the foundational principles and methodologies for structuring data within relational database systems. Students learn about data modeling, normalization, entity-relationship diagrams, and the development of efficient database schemas to ensure data integrity and reduce redundancy. The course covers practical aspects of designing tables, defining relationships, enforcing constraints, and using Structured Query Language (SQL) for database creation and manipulation. Through hands-on projects and case studies, students gain the skills needed to create robust and scalable relational databases for various applications.
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Database Processing Fundamentals Design and Implementation 13th Edition by
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Page 2
David M. Kroenke
Chapter 1: Introduction
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Sample Questions
Q1) A database designed using spreadsheets from the Sales department is a database being designed ________.
A)from existing data
B)as a new systems development project
C)as a redesign of an existing database
D)A and B
E)A,B,and C
Answer: A
Q2) Business organizations have resisted adopting object-oriented database systems because the cost of purchasing OODBMS packages is prohibitively high.
A)True
B)False
Answer: False
Q3) Applications are computer programs used directly by users.
A)True
B)False
Answer: True
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Page 3
Chapter 2: Introduction to Structured Query Language SQL
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Sample Questions
Q1) The clause SELECT COUNT (*)results in a table with a single row and a single column.
A)True
B)False
Answer: True
Q2) SQL,although very popular,has never become a national standard.
A)True
B)False
Answer: False
Q3) SQL is a ________.
A)data sublanguage
B)product of IBM research
C)national standard
D)combination that includes a data definition language and a data manipulation language
E)All of the above
Answer: E
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Chapter 3: The Relational Model and Normalization
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Sample Questions
Q1) If a relation is in BCNF,and each multivalued dependency has been moved to a relation of its own,then the first relation is in ________.
A)First Normal Form
B)Second Normal Form
C)Third Normal Form
D)Boyce-Codd Normal Form
E)Fourth Normal Form
Answer: E
Q2) A relation is in Boyce-Codd Normal Form (BCNF)if and only if it is in 3NF and every determinant is a candidate key.
A)True
B)False
Answer: True
Q3) A multivalued dependency exists when a determinant is matched to a set of values.
A)True
B)False
Answer: True
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Chapter 4: Database Design Using Normalization
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Sample Questions
Q1) During the second step of assessing table structure,you are trying to determine
A)multivalued dependencies
B)functional dependencies
C)foreign keys
D)A and B
E)A,B,and C
Q2) The second step in assessing table structure includes ________.
A)counting rows
B)examining columns
C)examining data values
D)A and B
E)B and C
Q3) When accessing table structure,and determining the number and types of columns in a table,how can you control how many rows are returned?
Q4) Normalization requires applications to use more complex SQL since they will need to write subqueries and joins to recombine data stored in separate relations.
A)True
B)False
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Chapter 5: Data Modeling With the Entity-Relationship
Model
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Sample Questions
Q1) Relationships are classified by their cardinality.
A)True
B)False
Q2) An identifier of an entity instance must consist of one and only one attribute.
A)True
B)False
Q3) An entity instance is the occurrence of a particular entity.
A)True
B)False
Q4) A single relationship class involves only one entity class.
A)True
B)False
Q5) To represent a multivalued attribute in an E-R model,________.
A)create a new ID-dependent entity with a 1:N relationship
B)create a new weak,but not ID-dependent entity with a 1:N relationship
C)create a new strong entity with a 1:1 relationship
D)create a new ID-dependent entity with a 1:1 relationship
E)create a new weak,but not ID-dependent entity with a 1:1 relationship
Q6) What are supertype and subtype entities?
Q7) How is minimum cardinality expressed in IE Crow's Foot E-R diagrams? Page 7
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Chapter 6: Transforming Data Models Into Database Designs
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Sample Questions
Q1) A surrogate key is appropriate when the primary key of a table contains a lengthy text field.
A)True
B)False
Q2) To which of the following actions are referential integrity constraints not applied?
A)create
B)insert
C)modify
D)delete
E)Referential integrity constraints are applied to all of the listed actions.
Q3) In many-to-many relationships in a relational database design,________.
A)the key of the child is placed as a foreign key into the parent
B)the key of the parent is placed as a foreign key into the child
C)the keys of both tables are placed in a third table
D)the keys of both tables are joined into a composite key
E)C and D
Q4) An intersection table is always ID-dependent on both of its parent tables.
A)True
B)False
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Chapter 7: Sql for Database Construction and Application Processing
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Sample Questions
Q1) Rows in a table can be changed by using the SQL UPDATE statement. A)True
B)False
Q2) Which of the following is an SQL trigger Oracle supports?
A)BEFORE B)INSTEAD OF C)AFTER
D)B and C only
E)A,B,and C
Q3) If a trigger is being written to enforce referential integrity actions,you cannot use an INSTEAD OF trigger.
A)True
B)False
Q4) SQL views can be used to provide a level of insulation between data processed by applications and the data actually stored in the database tables. A)True B)False
Q5) Explain the essential format of the CREATE TABLE statement.
Q6) What are SQL triggers and how are they used?
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Chapter 8: Database Redesign
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Sample Questions
Q1) In a double nested set of NOT EXISTS SELECT statements,________.
A)if a row does not match any row,then it matches every row
B)if a row matches any row,then it matches every row
C)if a row does not match any row,then it does not match every row
D)if a row matches any row,then it does not match every row
E)if a row does not match any row,then referential integrity has been broken
Q2) 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
Q3) Explain the results provided by the EXISTS,NOT EXISTS,and double NOT EXISTS keywords.
Q4) To change a table name,we ________.
A)use the SQL RENAME TABLE command
B)use the SQL ALTER TABLENAME command
C)use the SQL MODIFY TABLENAME command
D)create a new table,move the data,and drop the old table
E)None of the above is the correct way to change a table name.
Q5) Why do databases need redesigning?
Q6) Discuss the role of backup and test databases in database redesign.
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Chapter 9: Managing Multiuser Databases
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Sample Questions
Q1) Once processing rights have been defined,they may be implemented at any of these levels except:
A)network.
B)operating system.
C)data.
D)DBMS.
E)application.
Q2) Which type of lock still allows other transactions to have read-only access to the locked resource?
A)Exclusive lock
B)Shared lock
C)Two-phased lock
D)Explicit lock
E)Implicit lock
Q3) Explain the importance of documenting changes in database structure.
Q4) Copies of each database record or page after it was changed by a transaction that are saved for use in database recovery are called ghost images.
A)True
B)False
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Chapter 10: A: Managing Databases With SQL Server 20012
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Sample Questions
Q1) SQL Server automatically makes determinations of whether or not to promote or demote a lock.
A)True
B)False
Q2) The column(s)that is/are the primary key in an SQL table are indicated by ________ when viewed graphically in Enterprise Manager.
A)the black arrow symbol
B)the outline arrow symbol
C)the key symbol
D)the asterisk symbol
E)being underlined
Q3) Briefly explain the different SQL Server recovery models.
Q4) With SQL Server,the clustered index is faster for data retrieval.
A)True
B)False
Q5) SQL Server 2012 provides two ways to create tables-graphically and through SQL code.
A)True
B)False
Q6) What is the SQL CLR?
Page 13
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Chapter 10: B: Managing Databases With Oracle Database
11g Release 2
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Sample Questions
Q1) The Oracle Database PL/SQL statement used to complete the basic PL/SQL block structure is ________.
A)DECLARE
B)BEGIN
C)IF...ELSE...END IF
D)LOOP
E)END;
Q2) Oracle Database uses the SQL ALTER TABLE command to change the structure of a table.
A)True
B)False
Q3) The Oracle Database Configuration Assistant is the easiest Oracle Database tool to use when you are creating an Oracle database.
A)True
B)False
Q4) Oracle Database triggers are PL/SQL or Java procedures that are invoked when specified database activity occurs.
A)True
B)False
Page 14
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Chapter 10: C: Managing Databases With MySQL
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Q1) Users log into MySQL Workbench using the Connect to Database and Connect to MySQL Server dialog boxes.
A)True
B)False
Q2) To start working with MySQL Community Edition,use the command Start | All Programs | MySQL | MySQL Workbench CE 5.2.
A)True
B)False
Q3) MySQL uses the MySQL OLD transition variable with triggers to access old data updated or deleted from a table row.
A)True
B)False
Q4) MySQL Community Edition uses operating system authentication. A)True
B)False
Q5) MySQL users are granted MySQL privileges for specific schemas only.
A)True B)False
Q6) What is MySQL?
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Chapter 11: The Web Server Environment
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Sample Questions
Q1) Which of the following is a task performed by the driver according to the ODBC standard?
A)Determines the appropriate DBMS
B)Validates the format of the ODBC command received from the application
C)Converts data source error codes into ODBC standard error codes
D)Verifies the application to the data source
E)Converts the data source into an SQL-compliant data structure
Q2) What is an XML global element?
Q3) The first step in using a JDBC driver is to ________.
A)establish a connection to the database
B)load the driver
C)create a statement
D)call the DriverManager object
E)invoke the executeQuery method
Q4) XSLT is a declarative transformation language. A)True B)False
Q5) In XML Schema,the default cardinality of elements is 0.1. A)True B)False
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Chapter 12: Big Data datawarehouse and Business Intelligence Systems
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Sample Questions
Q1) What is a data warehouse?
Q2) Data mining is the application of mathematical and statistical techniques to find patterns and relationships that can be used to classify and predict future outcomes. A)True
B)False
Q3) Data warehouse data are frequently denormalized.
A)True
B)False
Q4) Data warehouses are populated with data prepared by data extraction,transformation and load (ETL)programs.
A)True
B)False
Q5) Business Intelligence (BI)reporting systems are used to filter data,sort data,group data and make simple calculations based on the data.
A)True
B)False
Q6) What is a slowly changing dimension?
Q7) What are Business Intelligence (BI)systems?
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Chapter 13: Microsoft Access 2013
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Sample Questions
Q1) Microsoft Access 2010 database files are stored using the files extension of:
A)adb.
B)asp.
C).accdb.
D)mdb.
E).sql.
Q2) To start Microsoft Access 2013 in Windows 8,use the command:
A)Start | Microsoft Access 2013.
B)Start | Microsoft Office | Microsoft Access 2013.
C)Start | All Programs | Microsoft Access 2013.
D)Start | All Programs | Microsoft Office | Microsoft Access 20130.
E)No command-use the Microsoft Access 2013 app tile.
Q3) Most Microsoft Access 2013 commands and tools are available on the tabbed Ribbon.
A)True
B)False
Q4) Microsoft Access can run QBE queries,but not SQL queries.
A)True
B)False
Q5) What Microsoft Access file format is used by default in Microsoft Access 2013?
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Chapter 14: Getting Started With Systems Analysis and Design
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Sample Questions
Q1) A deliverable from the requirements analysis step is a(n):
A)user requirements document (URD)
B)user requirements statement (URS)
C)statement of work (SOW)
D)statement of requirements (SOR)
E)A and B
Q2) A business process is a set of activities that transforms materials into products.
A)True
B)False
Q3) What activities take place during the component design step of the systems development life cycle (SDLC)?
Q4) The classic systems analysis methodology is called the:
A)Systems Development Life Cycle (SDLC).
B)Analysis Development Life Cycle (ADLC).
C)Component Development Life Cycle (CDLC).
D)Information Development Life Cycle (IDLC).
E)None of the above is correct.
Q5) How does Michael Porter define primary or operational business activities?
Q6) How does Michael Porter define support business activities?
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Chapter 15: E-R Diagrams and the Idef1x Standard
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Sample Questions
Q1) Extended E-R model 1:N relationships are called identifying connection relationships in IDEF1X.
A)True
B)False
Q2) What are the IDEF1X equivalents of 1:1,1:N and N:M relationships?
Q3) What is IDEF1X?
Q4) IDEF1X identifying connection relationships correspond to ID-dependent relationships in the extended E-R model.
A)True
B)False
Q5) In IDEF1X,extended E-R model subtype entities are grouped into:
A)generic entities.
B)category entities.
C)nonspecific entities.
D)category clusters.
E)There is no equivalent IDEF1X term.
Q6) IDEF1X category clusters may be either complete or incomplete.
A)True
B)False
Q7) What symbols are used in IDEF1X diagrams to represent cardinalities?
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Chapter 16: E-R Diagrams and the UML Standard
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Q1) In the UML-style entity class ORDERS shown above,"GetOrderNo( )" is a ________.
A)private method
B)protected constraint
C)public constraint
D)public method
E)protected method
Q2) Attributes preceded by a # are private.
A)True
B)False
Q3) In UML,an attribute that is accessible only by methods of its entity class is said to be
A)private
B)exclusive
C)protected
D)public
E)persistent
Q4) 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
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Chapter 17: Getting Started With MySQL Workbench Data
Modeling Tools
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Sample Questions
Q1) The MySQL Installer for Windows should be used to install MySQL Community Edition components on computers running which operating system(s)?
A)Microsoft Windows
B)Unix
C)Linux
D)Either B or C
E)Any of the above.
Q2) 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
Q3) In the MySQL Table Editor,the abbreviation AI stands for AUTO_INCREMENT.
A)True
B)False
Q4) Users should create a Data Models folder to hold EER models created with the MySQL Workbench.
A)True
B)False
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Q5) Describe how to create relationships in a MySQL Workbench database design.
Chapter 18: Getting Started With Microsoft Visio 2013
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Sample Questions
Q1) In Microsoft Visio 2013,both data models and database designs are created using the Database Model Diagram template.
A)True
B)False
Q2) In Microsoft Visio 2013,the cardinalites of the Relationship connector object end point are formatted using:
A)the Set Begin Symbol command.
B)the Set End Symbol command.
C)the Set Non-primary Key Unique column
D)the Set Non-foreign Key Unique column
E)A and B.
Q3) Microsoft Visio 2013 can be used to create data models,but not database designs.
A)True
B)False
Q4) In Microsoft Visio 2013,clicking the File command tab opens the Backstage view. A)True
B)False
Q5) 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 19: Data Structures for Database Processing
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Sample Questions
Q1) Each physical record is addressed by its:
A)relative record number (RRN).
B)sequential record number (SRN).
C)transaction record number (TRN).
D)ultimate record number (URN).
E)unknown record number (XRN).
Q2) A complex network is a collection of records and the 1:N relationships between them.
A)True
B)False
Q3) A ________ is a file that has no repeating groups.
A)flat file
B)stacked file
C)record file
D)key file
E)secondary file
Q4) The primary work key is a field or fields whose value uniquely identifies a record. A)True
B)False
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Chapter 20: the Semantic Object Model
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Sample Questions
Q1) A semantic object must represent something with a physical existence.
A)True
B)False
Q2) The cardinalities of an attribute operate only between the attribute and the container of the attribute.
A)True
B)False
Q3) Semantic objects are said to be:
A)Semantically self-contained.
B)Semantically complete.
C)Semantically inclusive.
D)Either A or B.
E)None of the above.
Q4) The key of an attribute is a description of an attribute's possible values.
A)True
B)False
Q5) A "simple object" can contain only simple attributes.
A)True
B)False
Q6) Explain why semantic object attributes are call "paired attributes."
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Chapter 21: Getting Started With Web Servers php and the Eclipse PDT
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Q1) Before installing the Eclipse PDT,we have to install ________ .
A)the Java JRE
B)the Java SDK
C)the Java JDK
D)the Jave SRE
E)Any of the above will work.
Q2) When running the Eclipse PDT for the first time,set up a default file workspace named:
A)Eclipse Workspace.
B)EclipsePDT Workspace.
C)Documents.
D)My Documents.
E)My Workspace.
Q3) There is only one way to install PHP.
A)True
B)False
Q4) For a workstation running the Windows operating system,all the necessary user file system permissions to the Web page area are already granted.
A)True B)False
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Chapter 22: Business Intelligence Systems
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Sample Questions
Q1) In unsupervised data mining,explanations are created after patterns are found.
A)True
B)False
Q2) BI reporting systems are intended to create meaningful information from disparate data sources and to deliver that information to the proper users on a timely basis.
A)True
B)False
Q3) BI reporting systems summarize the current status of business activities and compare that status with past events but not with predicted future activities.
A)True
B)False
Q4) Business Intelligence (BI)reporting systems can analyze data using standard SQL. A)True
B)False
Q5) Business Intelligence (BI)systems support operational activities.
A)True
B)False
Q6) Why is operational data sometimes unusable for Business Intelligence use?
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