Information Technology Fundamentals
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Course Introduction
Information Technology Fundamentals provides an introduction to the essential concepts and skills related to modern computing and information systems. This course explores topics such as computer hardware and software, operating systems, networking, cybersecurity, databases, and the Internet. Students gain practical experience with productivity applications, understand the role of IT in organizations, and examine current trends in the industry. Emphasis is placed on developing problem-solving skills, ethical awareness, and foundational knowledge necessary for further study or entry-level IT positions.
Recommended Textbook
A Guide to SQL 8th 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 Premiere Products, Henry Books, and Alexamara Marina Group
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75 Verified Questions
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Sample Questions
Q1) Ray tracks the branch's name, location, and number of ____________________ for Henry Books.
Answer: employees
Q2) Premiere Products sells ____.
A) books
B) residential and commercial property
C) appliances, housewares, and sporting goods
D) electronic products
Answer: C
Q3) For each book, Ray at Henry Books tracks the book code, ____________________, publisher code, type of book, price and whether the book is paperback.
Answer: title
Q4) The order number appears in the ORDERS table and the ____________________ table in the Premiere Products database.
Answer: ORDER_LINE
Q5) The Premiere Products database includes four tables.
A)True
B)False
Answer: False
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Chapter 2: Database Design Fundamentals
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Sample Questions
Q1) You can indicate a table's primary key by underlining the column or collection of columns that comprises the primary key for each table in the database.
A)True
B)False
Answer: True
Q2) In a relation, the order of the rows and columns is immaterial.
A)True
B)False
Answer: True
Q3) In this text, Boyce-Codd normal form is the same as ____.
A) unnormalized
B) first normal form
C) second normal form
D) third normal form
Answer: D
Q4) Qualification is an update anomaly.
A)True
B)False
Answer: False
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Chapter 3: Creating Tables
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Sample Questions
Q1) You can use the ____________________ command to update a value in a table.
Answer: UPDATE
Q2) To change a value in a table, use the CHANGE command.
A)True
B)False
Answer: False
Q3) What are the common restrictions placed on table and column names?
Answer: The names cannot exceed 30 characters. The names must start with a letter. The names can contain letters, numbers, and underscores (_). The names cannot contain spaces.
Q4) 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
Q5) To view the data in a table, you use the ____________________ command. Answer: SELECT
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Chapter 4: Single-Table Queries
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Sample Questions
Q1) You form compound conditions by connecting two or more simple conditions using the ____ operator.
A) AND B) OR
C) NOT
D) All of the above
Q2) You can assign a name to a computed column by following the computation with the word ____________________ and the desired name.
Q3) When you need to sort data on two columns, the more important column is called the ____________________ sort key.
Q4) Which of the following operators can be used for a column computation?
A) + B) ^
C) **
D) All of the above
Q5) SQL requires that you follow special formatting rules.
A)True B)False
Q6) The column on which data is to be sorted is called a sort
Page 6
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Chapter 5: Multiple-Table Queries
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Sample Questions
Q1) You can join tables by using a condition in the ____ clause.
A) FROM
B) WHERE
C) SELECT
D) JOIN
Q2) In a multiple-table query, you list all the desired columns in the ____________________ clause and qualify any columns that appear in more than one table.
Q3) The ____________________ of two tables is the combination of all rows in the first table and all rows in the second table.
Q4) To retrieve data from more than one table, you must ____________________ the tables together by finding rows in the two tables that have identical values in matching columns.
Q5) You can precede a subquery with the ____ operator to create a condition that is true if one or more rows are obtained when the subquery is executed.
A) IS NULL
B) IS TRUE
C) IS EXIST
D) EXISTS
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Chapter 6: Updating Data
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Sample Questions
Q1) You can use the existing value in a column and a calculation to update a value.
A)True
B)False
Q2) In order to use the COMMIT command in Oracle, you need to clear the check mark from the ____ check box.
A) Transaction
B) Autocommit
C) Permanent
D) Temporary
Q3) It is a good idea to use a SELECT command to display the data you changed to verify that the correct update was made.
A)True
B)False
Q4) You can increase the length of column but you cannot decrease the length of a column.
A)True
B)False
Q5) Before beginning the updates for a transaction, commit any previous updates by executing the ____________________ command.
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Chapter 7: Database Administration
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Sample Questions
Q1) When a view is no longer needed, you can remove it using the ____________________ command.
Q2) The system catalog is also called the ____.
A) system database
B) data dictionary
C) master data table
D) transaction database
Q3) With a view, the display of data can be customized to meet each user's needs.
A)True
B)False
Q4) When the primary key contains more than one column, use commas to separate the column names.
A)True
B)False
Q5) The command to delete a view is ____.
A) DROP VIEW
B) DELETE VIEW
C) REMOVE VIEW
D) REVOKE VIEW
Q6) To create a view definition, use the ____________________ command.
Page 9
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Chapter 8: SQL Functions and Procedures
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Sample Questions
Q1) What is the difference between a nonprocedural language and a procedural language? Give an example of each.
Q2) In T-SQL, arguments should have the same data type and length as the particular column in a table that they represent.
A)True
B)False
Q3) When you need to complete tasks that are beyond the capabilities of SQL, you need to use a procedural language.
A)True
B)False
Q4) A(n) ____________________ is a procedure that is executed automatically in response to an associated database operation, such as an INSERT, UPDATE, or DELETE command.
Q5) To concatenate columns in Oracle, you type two ____________________ between the column names.
Q6) In SQL Server, use the & symbol to concatenate columns.
A)True
B)False
Q7) Name two reasons for creating a stored procedure.
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