Information Systems Analysis
Practice Questions
Course Introduction
Information Systems Analysis explores the methodologies and tools used to understand and specify business information requirements and system functionalities. Students learn how to analyze organizational processes, identify system problems and opportunities, and document requirements through techniques such as data modeling, process modeling, and use case analysis. The course emphasizes critical thinking, communication with stakeholders, and the application of analysis frameworks to design effective solutions that support business objectives and improve system performance.
Recommended Textbook
Oracle 11G SQL 2nd Edition by Joan Casteel
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13 Chapters
1685 Verified Questions
1685 Flashcards
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Chapter 1: Overview of Database Concepts
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108 Flashcards
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Sample Questions
Q1) The fact that a person can wear different size clothes and that different people can wear the same size clothes is best characterized as a what type of relationship?
A) one-to-many
B) many-to-many
C) one-to-all
D) one-to-one
Answer: B
Q2) A straight line with a crow's foot at one end depicts a(n) ____________________ relationship in an E-R Model.
Answer: one-to-many one to many
Q3) A collection of fields is a file.
A)True
B)False
Answer: False
Q4) If at least one value in a record does not depend upon the primary key, then a _________________________ exists.
Answer: Transitive dependency
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Chapter 2: Basic Sql Select Statements
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122 Flashcards
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Sample Questions
Q1) Based upon the contents of the PUBLISHER table, which of the following is a valid SQL statement?
A) SELECT * FROM pubid;
B) SELECT * FROM name;
C) SELECT * FROM contact;
D) SELECT * FROM publisher;
Answer: D
Q2) Concatenation refers to combining the results of several SELECT statements into one result.
A)True
B)False
Answer: False
Q3) Combining the contents of two or more columns is known as ____.
A) projection
B) concatenation
C) selection
D) suppression
Answer: B
Q4) A SELECT statement is also referred to as a ____________________.
Answer: query
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Chapter 3: Table Creation and Management
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132 Flashcards
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Sample Questions
Q1) Which of the following datatypes refers to variable-length character data, where n represents the maximum length of the column?
A) CHAR(n)
B) BFILE
C) VARCHAR2(n)
D) LONG Answer: C
Q2) The\(\underline { \text { MODIFY } }\) clause can be used with the ALTER TABLE command to add a column to an existing table. _________________________
A)True
B)False
Answer: False
Q3) The name of a table can be changed with the ____________________ command.
Answer: RENAME
RENAME...TO
RENAME TO
Q4) When adding a column to an existing table, the ____________________ clause must be used with the ALTER TABLE command.
Answer: ADD
Page 5
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Chapter 4: Constraints
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Sample Questions
Q1) Only one PRIMARY KEY constraint can exist for each table.
A)True
B)False
Q2) In the USER_CONSTRAINTS view, the value displayed in the CONSTRAINT_TYPE column will be a(n) ____ for a NOT NULL constraint.
A) C
B) K
C) N
D) R
Q3) In the USER_CONSTRAINTS view, the constraint type for a PRIMARY KEY constraint will be listed as PK.
A)True
B)False
Q4) Which of the following statements about a PRIMARY KEY is incorrect?
A) It identifies which column(s) uniquely identify each record.
B) It can be NULL, as long as the FOREIGN KEY contains a value.
C) Each data value must be unique.
D) none of the above
Q5) A constraint is always enforced at the ____________________ level.
Q6) What is the relationship between a NOT NULL constraint and a CHECK constraint?
Page 6
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Chapter 5: Data Manipulation and Transaction Control
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132 Verified Questions
132 Flashcards
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Sample Questions
Q1) The ____________________ command is used to add data to an existing row in a table.
Q2) If a(n) ____________________ clause is not included in the UPDATE command, then all rows in the table will be changed.
Q3) The ____________________ command is used to change data stored in a table.
Q4) Which of the following is not a valid SQL command?
A) INSERT INTO acctmantable
SELECT amid, amname, amedate, region FROM acctmanager WHERE amedate <= SYSDATE;
B) INSERT INTO acctmantable (SELECT amid, amname, amedate, region FROM acctmanager WHERE amedate <= SYSDATE);
C) INSERT INTO acctmantable
AS (SELECT amid, amname, amedate, region FROM acctmanager WHERE amedate <= SYSDATE);
D) none of the above
Page 7
Q5) The ____________________ command is used to add new rows to a table.
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Chapter 6: Additional Database Objects
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Sample Questions
Q1) A(n) ____ synonym is used by an individual to reference objects owned by that person.
A) unique
B) duplicated
C) public
D) private
Q2) What are the benefits and disadvantages of an index?
Q3) A large table containing a particular column that is frequently referenced by a WHERE clause would probably benefit from a(n) \(\underline {\text { sequence } }\).
A)True
B)False
Q4) The START WITH clause is used to identify the starting numeric value for a synonym. A)True
B)False
Q5) The USER_INDEXES data dictionary view can be used to verify existing indexes.
A)True B)False
Q6) A(n) ____________________ synonym can be referenced by other database users.
Page 8
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Chapter 7: User Creation and Management
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Sample Questions
Q1) Which of the following terms refers to a collection of privileges?
A) role
B) grouping
C) groupset
D) accesset
Q2) A system privilege can be taken away from a user through the \(\underline { \text { UNGRANT } }\) command. _________________________
A)True
B)False
Q3) Which of the following privileges will allow a user to reference a table when creating a FOREIGN KEY constraint?
A) FOREIGN KEY
B) REFERENCES
C) SELECT
D) none of the above
Q4) Even if a password has been assigned, a user is not required to enter a password for a role that has been set as the ____________________ role for that user.
Q5) What is the benefit of assigning privileges to users through roles?
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Chapter 8: Restricting Rows and Sorting Data
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Sample Questions
Q1) The \(\underline { \text { LIKE } }\) operator is used to indicate a range of values.
A)True B)False
Q2) When using a search pattern, a(n) \(\underline { ? }\) symbol is used to indicate exactly one character in that position. _________________________
A)True B)False
Q3) The ____________________ logical operator is evaluated first in a sequence of logical operators.
Q4) Which of the following is a valid logical operator?
A) NOT B) AND C) OR D) all of the above
Q5) By default, query results are sorted in ascending order based upon the column specified in the ORDER BY clause. A)True B)False
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Chapter 9: Joining Data From Multiple Tables
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Sample Questions
Q1) A self-join can only be specified in the FROM clause with the use of the JOIN...____________________ keywords.
Q2) Which of the following SQL statements will display the name of each publisher that publishes a book classified in the COMPUTER category?
A) SELECT UNIQUE name FROM books, publisher;
B) SELECT UNIQUE name FROM books NATURAL JOIN publisher WHERE category = 'COMPUTER';
C) SELECT DISTINCT name FROM books JOIN publisher WHERE category = 'COMPUTER';
D) both b and c
Q3) By default, the \(\underline { \text { JOIN } }\) keyword creates an inner join.
A)True B)False
Q4) A(n) ____________________ is an alternate name temporarily assigned to a table.
Q5) The outer join operator can only be used in the ____________________ clause.
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Chapter 10: Selected Single Row Functions
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Sample Questions
Q1) To add a series of asterisks (*) to a column with the intent of extending it to a specific length, you can use the \(\underline {\text { LPAD or RPAD }}\) function.
A)True
B)False
Q2) The\(\underline{YR}\) element can be included in a format argument of the TO_CHAR function to spell out the year of the specified date.
A)True
B)False
Q3) Which of the following functions will round the numeric data to no decimal places?
A) ROUND(34.21, 1)
B) ROUND(34.21, -1)
C) ROUND(34.21, NONE)
D) ROUND(34.21, 0)
Q4) Use MON in the format argument to spell out the specified month.
A)True
B)False
Q5) The ____________________ function is used to return a portion of a string.
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Chapter 11: Group Functions
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134 Flashcards
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Sample Questions
Q1) Results returned from a SELECT statement that include a GROUP BY clause will present the results in \(\underline { \text { descending } }\) order of the column(s) listed in the GROUP BY clause. _________________________
A)True
B)False
Q2) Based on the contents of the BOOKS table, which of the following is a valid SQL statement?
A) SELECT pubid, AVERAGE(retail-cost) "Average Profit" FROM books;
B) SELECT pubid, AVERAGE(retail-cost) "Average Profit" FROM books
GROUP BY pubid;
C) SELECT pubid, AVG(retail-cost) "Average Profit" FROM books
GROUP BY pubid;
D) SELECT pubid, AVG(retail-cost) "Average Profit" FROM books
HAVING retail-cost > 25;
Q3) Describe how the COUNT function processes NULL values when the function is executed.
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Chapter 12: Subqueries and Merge Statements
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Sample Questions
Q1) You \(\underline {\text { can } }\) include multiple subqueries in a SELECT statement. _________________________
A)True
B)False
Q2) If a subquery is nested in a HAVING clause, the subquery must be on the right side of the comparison operator.
A)True
B)False
Q3) A correlated subquery is one in which the inner query is executed first, and then the outer query is executed.
A)True
B)False
Q4) When the subquery is executed first and the value is passed back as input to the outer query, the subquery is known as an uncorrelated subquery.
A)True B)False
Q5) A multiple-column subquery cannot be nested in a WHERE clause. A)True B)False
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Chapter 13: Views
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Sample Questions
Q1) An ORDER BY clause can be included in a(n) ____________________ view to perform "TOP-N" analysis.
Q2) You cannot create a view if the underlying table does not exist at the time the view is created.
A)True B)False
Q3) A(n) ____________________ is a database object that can be used to access data, but it does not actually store data itself.
Q4) When a query references a view, the query in the view is processed, and the results are treated as a(n) \(\underline { \text { permanent } }\) table.
A)True B)False
Q5) The subquery used to create a(n) ____ view can contain an ORDER BY clause. A) simple B) complex C) derived D) inline
Q6) A(n) ____________________ view can contain grouped data.
Page 15
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