Information Systems Practice Exam
Course Introduction
Information Systems is a comprehensive course that explores the core concepts, technologies, and strategies involved in the collection, processing, and management of information within organizations. Students will learn how information systems support business operations, decision-making, and competitive advantage by integrating people, processes, data, and information technology. Key topics include systems development, database management, networking, cybersecurity, and the ethical and social implications of information systems. Through case studies and practical applications, the course prepares students to analyze organizational needs and leverage information systems to achieve business objectives and drive innovation.
Recommended Textbook
A Guide to SQL 9th Edition by Philip J. Pratt
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8 Chapters
600 Verified Questions
600 Flashcards
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Page 2
Chapter 1: Introduction to TAL Distributors, Colonial
Adventure Tours, and Solmaris Condominium Group
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) How many tables make up the TAL Distributors database? A)4
B)5
C)6
D)7
Answer: B
Q2) Each line in the TAL Distributors order form contains an item number,the number of units of the ordered item,the quoted price,and ____.
A)wholesale price
B)item description
C)item weight
D)item color
Answer: B
Q3) In some database systems,the word "order" has a special purpose.
A)True
B)False
Answer: True
Q4) Each order line at TAL Distributors contains a total,usually called a(n)____________________.
Answer: extension
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Chapter 2: Database Design Fundamentals
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) A programmer interviews users,examines existing and proposed documents,and examines organizational policies to determine exactly the type of data needs the database must support.
A)True
B)False
Answer: False
Q2) A table's design should be as simple as possible;you should restrict each position in a table to a single entry by not allowing multiple entries (called a(n)____________________ group)in an individual location in the table.
Answer: repeating
Q3) An unnormalized relation is a relation that may contain repeating groups. A)True
B)False
Answer: True
Q4) In a relational database,each entity has its own table. A)True
B)False
Answer: True
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Chapter 3: Creating Tables
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) When a script file contains more than one command,each command must end with a(n)____.
A)apostrophe
B)semicolon
C)period
D)colon
Answer: B
Q2) Which of the following commands changes the value in a column?
A)UPDATE
B)CHANGE
C)REPLACE
D)ADD
Answer: A
Q3) In Oracle,the data type STRING(n)stores a character string n characters long.
A)True
B)False
Answer: False
Q4) You can delete the entire table using the ____________________ TABLE command.
Answer: DROP
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Chapter 4: Single-Table Queries
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) A simple condition has the form: column name,comparison operator,and then either another column name or a value.
A)True
B)False
Q2) You use the ____________________ clause to retrieve rows that satisfy some condition.
Q3) SQL has special functions,called ____________________ functions,to calculate sums,averages,counts,maximum values,and minimum values.
Q4) To sort records in descending order,follow the name of the sort key with the ____________________ operator.
Q5) A(n)____________________ clause provides a concise way of phrasing certain conditions.
Q6) In a SELECT statement,the FROM clause and the WHERE clause (when used)must appear on separate lines.
A)True
B)False
Q7) Compare the WHERE and HAVING clauses.
Q8) The ____________________ operator eliminates duplicate values in the query results.
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Chapter 5: Multiple-Table Queries
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) When tables are listed in the FROM clause,you can give each table a(n)____________________,or an alternate name.
Q2) When a subquery involves a table listed in the outer query,the subquery is called a(n)____ subquery.
A)inner outer B)correlated C)reverse D)parameter
Q3) It is easy to create a product inadvertently by omitting the WHERE clause when you are attempting to join tables.
A)True
B)False
Q4) If you had two separate tables for customers and the query requested customers in the first table having the same city as customers in the second table,you could use a normal ____________________ operation to find the answer.
Q5) For two tables to be union compatible,the columns of the two tables must be identical.
A)True
B)False
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Chapter 6: Updating Data
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Sample Questions
Q1) The format for the ALTER TABLE command is the words ALTER TABLE followed by the name of the ____________________ to be altered,followed by an appropriate clause.
Q2) The command,CREATE TABLE AS LEVEL1_CUSTOMER USING CUSTOMER;creates a table called LEVEL1_CUSTOMER that has the same structure as CUSTOMER.
A)True
B)False
Q3) To add data from an existing table to a new table,use a SELECT command in a(n)____ command.
A)SET
B)ADD
C)INSERT
D)UPDATE
Q4) If you decrease the size of a column,it is possible to lose some data currently in the column.
A)True
B)False
Q5) The ROLLBACK command reverses changes made to the ____________________ only.
Page 8
Q6) A(n)____________________ is a logical unit of work.
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Chapter 7: Database Administration
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Sample Questions
Q1) The system catalog is also called the ____.
A)system database
B)data dictionary
C)master data table
D)transaction database
Q2) Views furnish a certain amount of security;if users are accessing the database through a view,they cannot access any data that is not included in the view.
A)True
B)False
Q3) When you create a view,you cannot assign column names that are different from those in the base table.
A)True
B)False
Q4) The command used to delete an index is ____________________.
Q5) To create a view definition,use the DEFINE VIEW command.
A)True
B)False
Q6) An integrity ____________________ is a rule for the data in the database.
Q7) What are the disadvantages of using an index?
Page 9
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Chapter 8: SQL Functions and Procedures
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Sample Questions
Q1) What are the three advantages of cursors?
Q2) To call a procedure in SQL Server,use the EXEC command. A)True
B)False
Q3) Oracle uses ____________________ as an extension of SQL to accomplish procedural tasks.
Q4) When you need to complete tasks that are beyond the capabilities of SQL,you need to use a procedural language.
A)True
B)False
Q5) To close a cursor and deactivate it,use the ____________________ command.
Q6) In Oracle and SQL Server,the ____ function displays a value in lowercase letters.
A)REGULAR
B)LOWER
C)SMALL
D)LCASE
Q7) SQL Server uses an extended version of SQL called T-SQL or Transact-SQL.
A)True
B)False
Page 10
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