Business Database Systems
Test Preparation
Course Introduction
Business Database Systems explores the principles and practices of designing, implementing, and managing database systems in a business context. Students will learn about relational database models, data modeling with entity-relationship diagrams, SQL querying, normalization, and transaction management. The course also covers topics such as database security, data integrity, and emerging trends like NoSQL and cloud-based databases, emphasizing real-world applications and decision-making processes within organizations. Through hands-on projects and case studies, students develop practical skills to analyze business requirements and create efficient, scalable database solutions to support organizational operations and strategic goals.
Recommended Textbook
Database Processing 12th Edition by David
M. Kroenke
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24 Chapters
1854 Verified Questions
1854 Flashcards
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Chapter 1: Introduction
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Sample Questions
Q1) In an Enterprise-class database system,business users interact directly with the DBMS,which directly accesses the database data.
A)True
B)False
Answer: False
Q2) Enterprise Resource Planning (ERP)is an example of a data mining application.
A)True
B)False
Answer: False
Q3) A sales contact manager used by a salesperson is an example of a(n)________.
A)single-user database application
B)multiuser database application
C)e-commerce database application
D)A or B
E)Any of A,B or C
Answer: A
Q4) In a database,each table stores data about a different type of thing.
A)True
B)False
Answer: True
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Chapter 2: Introduction to Structured Query Language SQL
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Sample Questions
Q1) Two or more tables are joined by giving the table names in the WHERE clause and specifying the equality of the respective column names as a condition in the GROUP BY clause.
A)True
B)False
Answer: False
Q2) In an SQL query,which SQL keyword is used with built-in functions to group together rows that have the same value in a specified column?
A)GROUP BY
B)ORDER BY
C)SELECT
D)SORT BY
E)DISTINCT SET
Answer: A
Q3) The SQL built-in function AVG computes the average of values in numeric columns.
A)True
B)False
Answer: True
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Chapter 3: The Relational Model and Normalization
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Sample Questions
Q1) Any table that meets the definition of a relation is said to be in first normal form (1NF).
A)True
B)False
Answer: True
Q2) Briefly describe the various tasks of the primary key.
Answer: The primary key is used for four primary tasks.First,it is used to uniquely identify the rows in a table.Second,it is used to represent rows in relationships.Third,most DBMS products use the values of the primary key to organize the storage of the relation.Finally,primary keys are used in indexes and other structures to improve performance for search operations.
Q3) The columns of a relation are sometimes called tuples. A)True
B)False
Answer: False
Q4) A determinant of a functional dependency may or may not be unique in a relation. A)True
B)False
Answer: True
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Chapter 4: Database Design Using Normalization
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Sample Questions
Q1) The advantages of normalization include ________.
A)the elimination of modification anomalies
B)the elimination of duplicated data
C)more complex SQL for multitable subqueries and joins
D)A and B
E)A,B and C
Q2) Reviewing the work done on a table that was created using existing data from multiple sources,you are likely to find that a column named Remarks has been included,and is populated with inconsistent and verbose verbal data.This is an example of ________.
A)the multivalued,multicolumn problem
B)the inconsistent values problem
C)the missing values problem
D)the general-purpose remarks column problem
E)None of the above is correct.
Q3) Read-only databases are often updated.
A)True
B)False
Q4) What are inconsistent values,and why are they a problem?
Q5) What are the advantages and disadvantages of normalization?
Page 6
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Chapter 5: Data Modeling With the Entity-Relationship Model
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Sample Questions
Q1) Minimum cardinality refers to ________.
A)the most instances of one entity class that can be involved in a relationship with one instance of 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
E)None of the above.
Q2) In an E-R model,the three types of maximum cardinality are 1:1,1:N and N:M.
A)True
B)False
Q3) Which of the following is not a key element of an E-R model?
A)Identifiers
B)Entities
C)Objects
D)Attributes
E)Relationships
Q4) A compound identifier is an identifier consisting of two or more attributes.
A)True
B)False
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Chapter 6: Transforming Data Models Into Database Designs
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Sample Questions
Q1) The values of a surrogate key have no meaning to the users.
A)True
B)False
Q2) When transforming an E-R data model into a relational database design,the key of the parent entity should be placed as part of the primary key into the child entity
A)when the child entity is ID-dependent
B)when the child entity is non-ID-dependent
C)when the child entity has a 1:1 relationship with the parent entity
D)when the child entity has a 1:N relationship with the parent entity
E)when the child entity has a recursive relationship with the parent entity
Q3) If the parent is required,then a new child row must be created with a valid foreign key value.
A)True
B)False
Q4) To represent a 1:N relationship in a relational database design,an intersection table is created.
A)True
B)False
Page 8
Q5) 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
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Sample Questions
Q1) The SQL keyword PRIMARY KEY is used to designate the column(s)that are the primary key for the table.
A)True
B)False
Q2) The SQL command used to create a virtual table is ________.
A)CREATE VTABLE
B)CREATE VIEW
C)VTABLE
D)VIEW
E)NEWLOOK
Q3) Which SQL keyword is used to delete a table's structure?
A)DELETE
B)DROP
C)DISPOSE
D)ALTER
E)MODIFY
Q4) The SQL command SELECT is used to retrieve view instances.
A)True
B)False
Q5) Distinguish between Char and VarChar data types.
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Chapter 8: Database Redesign
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Sample Questions
Q1) What is a correlated subquery?
Q2) The data model produced by reverse engineering is not truly a logical model because it will contain tables for ________.
A)strong entities
B)weak non-ID-dependent entities
C)ID-dependent entities
D)intersection tables
E)supertype/subtype tables
Q3) What is the process and what are the considerations when changing a table name?
Q4) The design produced by reverse engineering may be described as a table-relationship diagram.
A)True
B)False
Q5) There are several difficulties with increasing cardinalities from 1:1 to 1:N,one of which is preserving the existing relationships.
A)True
B)False
Q6) When redesigning a database,how can we check assumptions about functional dependencies?
Page 10
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Chapter 9: Managing Multiuser Databases
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Sample Questions
Q1) Two-phased locking is a scheme for achieving serializability of transactions.
A)True
B)False
Q2) Database administration is more important but less difficult in multiuser database systems than in single-user database systems.
A)True
B)False
Q3) Explain the concept of serializable transactions.
Q4) Locks that are placed assuming that a conflict will not occur are called:
A)dynamic.
B)explicit.
C)implicit.
D)optimistic.
E)pessimistic.
Q5) A standby data repository is one which requires a person to generate the metadata and place it in the repository.
A)True
B)False
Q6) Explain the purpose of transaction logs and checkpoints.
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Chapter 10: Managing Databases With SQL Server 2008 R2
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Sample Questions
Q1) With SQL Server,only one cluster index is allowed per table.
A)True
B)False
Q2) Which of the following is not a lock granularity supported by SQL Server?
A)Row
B)Key
C)Table
D)Page
E)All of the above are supported.
Q3) A view may not be assigned to a(n)________.
A)BEFORE trigger
B)INSTEAD OF trigger
C)CONCURRENT trigger
D)AFTER trigger
E)Any of the above.
Q4) The recommended SQL Server security is Windows-only security.
A)True
B)False
Q5) Describe the database files that are automatically created when a new database is created in SQL Server.
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Chapter 11: Managing Databases With Oracle Database 11g
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Sample Questions
Q1) Oracle Database only reads committed changes,and therefore dirty reads are not possible.
A)True
B)False
Q2) Explain the Oracle Database PL/SQL cursor statements.
Q3) Which of the following can Oracle Database not support?
A)Triggers that are fired when SQL commands create new database structures.
B)Triggers that are fired before each row change in a table.
C)Triggers that are fired once when changes are made to rows in a table.
D)Triggers that are fired after each row change in a table.
E)All of the above are supported.
Q4) Explain the Oracle Database PL/SQL control-of-flow statements.
Q5) The Oracle Database GUI is the Oracle SQL Browser.
A)True
B)False
Q6) Oracle Database uses the SQL ALTER TABLE command to change the structure of a table.
A)True
B)False
Q7) What is SQL Developer?
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Chapter 12: Managing Databases With MySQL 55
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Sample Questions
Q1) Which schema privilege should not be specifically assigned to a user account?
A)SELECT
B)CREATE
C)GRANT
D)A and B
E)A,B and C
Q2) MySQL uses the MySQL CALL statement to run a stored procedure.
A)True
B)False
Q3) To run an SQL script,click the Execute SQL Script in Connected Server button on the MySQL Workbench.
A)True
B)False
Q4) To start working with MySQL Community Edition use the command Start | All Programs | MySQL | MySQL Workbench CE 5.2.
A)True
B)False
Q5) MySQL is an open source DBMS that only runs on Unix and Linux operating systems. A)True
B)False
14
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Chapter 13: The Web Server Environment
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Sample Questions
Q1) The characteristics of an object are called ________.
A)classes
B)collections
C)methods
D)properties
E)procedures
Q2) The first step in using a JDBC driver is to establish a connection.
A)True
B)False
Q3) PDO stands for:
A)PHP Data Objects.
B)PHP Design Objects.
C)Personal Data Objects.
D)Personal Design Objects.
E)None of the above.
Q4) JDBC-ODBC bridge drivers resolve inconsistencies between Java and C/C++ to allow Java access to ODBC data sources.
A)True
B)False
Q5) Briefly describe the components of the ODBC architecture.
Page 15
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Chapter 14: Database Processing With XML
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Sample Questions
Q1) Unlike SQL views,XML views are not limited to one multivalued path.
A)True
B)False
Q2) All type-valid XML documents are required to have a DTD.
A)True
B)False
Q3) Database processing and document processing are unrelated to one another.
A)True
B)False
Q4) HTML is an application of ________.
A)SGML
B)XML
C)SOAP
D)XSLT
E)ADO.NET
Q5) Elements of complexType must have more than one simple element.
A)True
B)False
Q6) What is XQuery?
Q7) What is XML,and why is it significantly better than HTML?
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Chapter 15: Database Processing for Business Intelligence Systems
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Sample Questions
Q1) What is an Excel PivotTable?
Q2) One Business Intelligence (BI)reporting system that uses extensions to SQL is:
A)cluster analysis.
B)OLAP.
C)regression analysis.
D)RFM analysis.
E)A,B and C
Q3) OLAP stands for ________.
A)OnLine Analytical Processing
B)OffLine Analytical Processing
C)OnLine Analysis Process
D)OffLine Analysis Process
E)Old,Lazy And Particular
Q4) Why is operational data sometimes unusable for Business Intelligence (BI)use?
Q5) What is a data mining application?
Q6) Business Intelligence (BI)systems are information systems that help users analyze and use data.
A)True
B)False
Q7) What is a conformed dimension? Page 17
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Chapter 16: Microsoft Access 2010
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Sample Questions
Q1) Most Microsoft Access 2010 commands and tools are available on the tabbed Ribbon.
A)True
B)False
Q2) Microsoft Access can run QBE queries,but not SQL queries.
A)True
B)False
Q3) Microsoft Access database objects are displayed in the:
A)Navigation Pane.
B)Browser Pane.
C)Object Browser Pane.
D)Gallery Pane.
E)Gallery.
Q4) Microsoft Access SQL commands are run in:
A)the SQL window.
B)the QBE window.
C)the Query View of an SQL window.
D)the Design View of a Query window.
E)the SQL View of a Query window.
Q5) Describe the Microsoft Access 2010 Navigation Pane.
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Chapter 17: Getting Started With Systems Analysis and Design
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Sample Questions
Q1) User interviews are conducted during the requirements analysis step.
A)True
B)False
Q2) User interviews are conducted during the ________ step of the SDLC.
A)system definition
B)requirements analysis
C)component design
D)implementation
E)systems maintenance
Q3) Databases are created in a DBMS during the implementation step.
A)True
B)False
Q4) How does Michael Porter define primary or operational business activities?
Q5) Data models are created during the component design step.
A)True
B)False
Q6) The classic systems analysis methodology is called the Analysis Development Life Cycle (ADLC).
A)True
B)False Page 20
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Chapter 18: E-R Diagrams and the Idef1x Standard
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Sample Questions
Q1) In IDEF1X,extended E-R model weak,but non-ID-dependent relationships are called:
A)nonidentifying connection relationships.
B)identifying connection relationships.
C)nonspecific relationships.
D)category clusters.
E)There is no equivalent IDEF1X term.
Q2) The IDEF1X equivalence of the extended E-R model subtype is the category entity,and category entities are placed in categorization clusters.
A)True
B)False
Q3) In IDEF1X,extended E-R model 1:N relationships are called:
A)nonidentifying connection relationships.
B)identifying connection relationships.
C)nonspecific relationships.
D)category clusters.
E)There is no equivalent IDEF1X term.
Q4) What symbols are used in IDEF1X diagrams to represent cardinalities?
Q5) IDEF1X entities are the same as the entities in the extended E-R model.
A)True
B)False
Page 22
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Chapter 19: E-R Diagrams and the UML Standard
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Sample Questions
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) In UML notation,the relationship line in a relationship with an ID-dependent weak entity is labeled as:
A)<persistent>.
B)<identifying>.
C)<nonidentifying>.
D)<protected>.
E)There is no label used.
Q3) Which of the following is a true statement about the current version of UML?
A)UML places a filled-in diamond on the parent of a weak entity.
B)UML does not provide a means to document exclusivity among subtypes.
C)UML uses the label <identifying> to document an ID-dependent relationship.
D)UML shows the cardinality on the parent entity of a weak entity as simple "1."
E)All of the above.
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Chapter 20: Getting Started With MySQL Workbench Data
Modeling Tools
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Sample Questions
Q1) By default,the E-R diagrams created in the MySQL Workbench use:
A)IE Crow's Foot notation.
B)IDEF1X notation.
C)UML notation.
D)Microsoft Visio 2010 Arrow notation.
E)None of the above is correct.
Q2) In order to use MySQL Workbench to create database designs,you must log into MySQL using:
A)the Connect to Database dialog box.
B)the Connect to MySQL Server dialog box.
C)the MySQL | Connect to Server command.
D)Both A and B are used together.
E)None of the above is correct - no login is required.
Q3) In the MySQL Workbench,a 1:N non-identifying relationship between two tables that already contain the needed primary and foreign keys is created using the 1:N Non-identifying Relationship button.
A)True
B)False
Q4) Describe how to create relationships in a MySQL Workbench database design.
Page 24
Q5) Describe how to set table properties in a MySQL Workbench database design.
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Chapter 21: Getting Started With Microsoft Visio 2010
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Sample Questions
Q1) In Microsoft Visio 2010,for a Relationship object relationship that is one-mandatory on the child side of the relationship,the correct setting in Database Properties is:
A)exactly one.
B)one or more.
C)zero or one.
D)zero or more.
E)range [At least][At most].
Q2) In Microsoft Visio 2010,the arrow end of the Relationship connector object points to the table containing:
A)the foreign key.
B)the primary key.
C)the non-primary key unique column.
D)the non-foreign key unique column.
E)None of the above is correct.
Q3) In Microsoft Visio 2010,both data models and database designs are created using the Database Model Diagram template.
A)True
B)False
Q4) In Microsoft Visio 2010,how do we create database designs?
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Chapter 22: the Semantic Object Model
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Sample Questions
Q1) The relationship between a parent object and its associated subtype objects is a(n):
A)HAS-A relationship.
B)WANTS-A relationship.
C)NEEDS-A relationship.
D)IS-A relationship.
E)None of the above.
Q2) Explain the concept of semantic objects as being a "sufficient description."
Q3) A "hybrid object" is a semantic object that relates two or more objects and stores data that are peculiar to that relationship.
A)True
B)False
Q4) A version object:
A)may be a composite object.
B)typically contains the archetype object in its identifier.
C)typically is a simple object.
D)produces archetype objects.
E)All of the above.
Q5) Distinguish between the physical description and the semantic description of an attribute domain.
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Chapter 23: Data Structures for Database Processing
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Sample Questions
Q1) A flat file is a file that has repeating groups.
A)True
B)False
Q2) What are tress,simple networks and complex networks?
Q3) The primary work key is a field or fields whose value uniquely identifies a record.
A)True
B)False
Q4) An index is a table that cross-references record addresses with some attribute value.
A)True
B)False
Q5) An intersection record is a record that is created when a complex network is decomposed into a simple network.
A)True
B)False
Q6) What is a linked list?
Q7) What is a B-tree?
Q8) How does a DBMS store data on its direct access files?
Q9) What is a set?
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Chapter 24: Getting Started With Web Servers php and the Eclipse PDT
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Sample Questions
Q1) 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.
Q2) What program must be installed before the installation of the Eclipse PDT,and how do you obtain and install this product?
Q3) What is PHP?
Q4) What is the Microsoft Web Platform Installer,and what are the advantages and disadvantages of using it to install PHP?
Q5) For a workstation running the Windows operating system,a commonly used file system utility is Microsoft Internet Explorer.
A)True
B)False
Q6) PHP was most recently ranked as the 5th most popular programming language. A)True
B)False
Page 28
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