Oracle Database Administration Final Test Solutions - 1685 Verified Questions

Oracle Database Administration Final Test Solutions https://quizplus.com/study-set/1085 13 Chapters 1685 Verified Questions

Oracle Database Administration Final Test Solutions Course Introduction Oracle Database Administration covers the essential principles and practices required to effectively manage Oracle databases. The course explores database architecture, installation, and configuration, along with tasks such as backup and recovery, security management, performance tuning, and troubleshooting. Students will gain hands-on experience with user management, data integrity, and automated maintenance, equipping them with the skills needed for daily administration and to ensure data availability, reliability, and security in enterprise environments.

Recommended Textbook Oracle 11G SQL 2nd Edition by Joan Casteel

Available Study Resources on Quizplus 13 Chapters 1685 Verified Questions 1685 Flashcards Source URL: https://quizplus.com/study-set/1085

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Chapter 1: Overview of Database Concepts Available Study Resources on Quizplus for this Chatper 108 Verified Questions 108 Flashcards Source URL: https://quizplus.com/quiz/21418

Sample Questions Q1) The Systems Development Life Cycle is a series of steps that can be used to guide the development process for a database management system.

A)True B)False Answer: True Q2) In which step of the Systems Development Life Cycle (SDLC) are the logical and physical components defined?

A) systems recovery B) systems analysis C) systems design D) systems implementation and review Answer: C Q3) A record in the logical design of a database corresponds to a row in the physical table of a relational database.

A)True B)False Answer: True Q4) A(n) ____________________ is a storage structure that contains data.

Answer: database To view all questions and flashcards with answers, click on the resource link above.

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Chapter 2: Basic Sql Select Statements Available Study Resources on Quizplus for this Chatper 122 Verified Questions 122 Flashcards Source URL: https://quizplus.com/quiz/21419

Sample Questions Q1) Explain how the DISTINCT keyword effects a SELECT statement that lists two columns in the SELECT clause.

Answer: The DISTINCT keyword will only suppress duplicate data if the combination of the data in the two columns is duplicated. If the combination of data in the referenced columns is unique for each record in the table, then each record will still be displayed in the results.

Q2) The DESCRIBE command is used to view data in a table.

A)True B)False Answer: False Q3) Which of the following commands can be used to view the structure of a table?

A) CONCATENATION B) DESCRIBE C) SELECT D) none of the above Answer: B Q4) A clause is a section within a SQL statement that begins with a keyword.

A)True B)False Answer: True Page 4 To view all questions and flashcards with answers, click on the resource link above.

Chapter 3: Table Creation and Management Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21420

Sample Questions Q1) The \(\underline { \text { TRUNCATE TABLE } }\) command can be used to delete a table from a database. _________________________ A)True B)False Answer: False Q2) The ALPHANUMERIC datatype can be used to store characters and numbers to a maximum width of 2000.

A)True B)False Answer: False Q3) If the MAXRETAIL column of the PROMOTION table has been set as unused, which of the following commands is valid?

A) ALTER TABLE promotion RESET maxretail USED; B) ALTER TABLE promotion DROP COLUMN maxretail; C) ALTER TABLE promotion DROP UNUSED COLUMNS; D) both b and c Answer: C Q4) The ____________________ datatype is used to store fixed length data.

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Chapter 4: Constraints Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21421

Sample Questions Q1) The ____________________ clause of the ALTER TABLE command must be used to drop an existing constraint.

Q2) A maximum of ____________________ PRIMARY KEY constraints can exist for each database table.

Q3) Where does the Oracle11g server store information about objects in the database, including information about constraints?

A) in the data reference manual B) in the objects dictionary C) in the data view dictionary D) in the data dictionary Q4) A constraint name can consist of up to \(\underline { 25 }\) characters and numbers. _________________________ A)True B)False Q5) A(n) \(\underline { \text { FOREIGN KEY }

}\) constraint can only reference a

column in the parent table that has been designated as the primary key for that table. _________________________ A)True B)False 6 click on the resource link above.

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Chapter 5: Data Manipulation and Transaction Control Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21422

Sample Questions Q1) Which of the following will allow a user to enter a NULL value using the INSERT command?

A) Omit the column from the column list in the INSERT INTO clause.

B) Substitute two single quotation marks in the VALUES clause in the position of the column that is to be assigned the NULL value.

C) Use the NULL keyword.

D) all of the above Q2) Single-row functions cannot be included in the UPDATE command.

A)True B)False Q3) Which of the following statements about the DELETE command is incorrect?

A) The DELETE command applies to an entire row and cannot be applied to specific columns within a row.

B) The proper command syntax for the DELETE command is DELETE FROM tablename; C) If you omit the optional WHERE clause, then all the rows in the table will be deleted.

D) If you omit the mandatory WHERE clause, an error message will be issued.

Q4) ____________________ are automatically released when the user exits the system or executes a COMMIT or ROLLBACK command.

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Chapter 6: Additional Database Objects Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21423

Sample Questions Q1) The purpose of an index is to ____.

A) speed up DML operations B) speed up full table scans C) efficiently determine whether a value exists in a table D) all of the above Q2) Indexes can speed up row retrieval, but can slow down ____________________ operations because the index must also be updated.

Q3) If the last values generated by a sequence were 277 and 278, which of the following changes cannot be initiated by the ALTER SEQUENCE command?

A) NOMAXVALUE B) CYCLE C) INCREMENT BY 5 D) MAXVALUE 200 Q4) A(n) ____________________ synonym is an alternate name that can be referenced by all users.

Q5) A(n) \(\underline { \text { index } }\) can be used to generate a series of unique numbers. _________________________ A)True B)False 8 click on the resource link above.

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Chapter 7: User Creation and Management Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21424

Sample Questions Q1) The \(\underline {\text { DEFAULT ROLE }}\) option of the ALTER USER command can be used to assign a default role to an existing user. _________________________ A)True B)False Q2) Which of the following can be considered potential threats to an organization's data?

A) natural disaster B) disgruntled employees C) computer criminals D) all of the above Q3) A password cannot be assigned to a role, only to a user.

A)True B)False Q4) Even if users are \(\underline { \text { authenticated } }\)by the operating system, the users are still required to have valid Oracle11g accounts to access the database. _________________________ A)True B)False Q5) A role can be taken away from a user through the ____________________ command.

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Chapter 8: Restricting Rows and Sorting Data Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21425

Sample Questions Q1) When two conditions are joined by the AND keyword, both conditions must be \(\underline { \text { FALSE } }\)for a record to be included in the results. _________________________ A)True B)False Q2) Based upon the contents of the ORDERS table in the accompanying figure, which of the following queries will not list the orders that have been shipped to Atlanta or Seattle?

A) SELECT * FROM orders WHERE shipcity = 'ATLANTA' OR shipcity = 'SEATTLE'; B) SELECT * FROM orders WHERE shipcity IN ( 'ATLANTA' , 'SEATTLE'); C) SELECT * FROM orders WHERE shipcity = 'Atlanta' OR shipcity = 'Seattle'; D) SELECT * FROM orders WHERE shipcity LIKE 'AT%' OR shipcity LIKE 'SEA%'; Q3) A(n) ____________________ value is considered the same as the absence of data.

Q4) To indicate that data should be sorted in descending order, use the \(\underline {\text { DESC } }\)keyword. _________________________ A)True B)False Q5) The ____________________ clause is used to specify the order in which the data should be presented in the results of a query.

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Chapter 9: Joining Data From Multiple Tables Available Study Resources on Quizplus for this Chatper 131 Verified Questions 131 Flashcards Source URL: https://quizplus.com/quiz/21426

Sample Questions Q1) Which of the following SQL statements will display all customers who have not recently placed an order?

A) SELECT customer# FROM customers UNION SELECT customer# FROM orders; B) SELECT customer# FROM orders MINUS SELECT customer# FROM customers; C) SELECT customer# FROM orders INTERSECT SELECT customer# FROM customers; D) SELECT customer# FROM customers MINUS SELECT customer# FROM orders; Q2) A(n) \(\underline { \text { non-equality } }\) join is also known as an equijoin, inner join, or simple join. _________________________ A)True B)False Q3) A full outer join cannot be created in the ____________________ clause.

Q4) The outer join operator can only be used in the ____________________ clause.

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Chapter 10: Selected Single Row Functions Available Study Resources on Quizplus for this Chatper 133 Verified Questions 133 Flashcards Source URL: https://quizplus.com/quiz/21427

Sample Questions Q1) Which of the following will display the name of each customer in lower-case characters based upon the contents of the CUSTOMERS table?

A) SELECT LOWER(name) FROM customers; B) SELECT LOWER(firstname) || ' ' || LOWER(lastname) FROM customers; C) SELECT CONCAT(LOWER(firstname), ' ', LOWER(lastname)) FROM customers; D) none of the above Q2) The ____________________ function is used to replace a specific set of characters found within a character string with another set of characters.

Q3) 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 Q4) Which of the following represents the number of days that have passed since January 1, 4712 B.C.?

A) Cartesian date B) Julian date C) Extended date D) none of the above To view all questions and flashcards with answers, click on the resource link above.

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Chapter 11: Group Functions Available Study Resources on Quizplus for this Chatper 134 Verified Questions 134 Flashcards Source URL: https://quizplus.com/quiz/21428

Sample Questions Q1) When a SELECT statement includes WHERE, HAVING, and GROUP BY clauses, the \(\underline

{\text

{

GROUP

BY

}}\)

clause

is

always

evaluated

first.

_________________________ A)True B)False Q2) The HAVING clause is used to restrict the groups returned by a query.

A)True B)False Q3) Which of the following is a correct statement?

A) An asterisk can be used as the argument for the COUNT function to include NULL values in the results.

B) The NULL keyword can be included in the argument of the COUNT function to include NULL values in the results.

C) The ALL keyword can be included in the argument of the COUNT function to include NULL values in the results.

D) The INCLUDE NULLS keywords can be included in the argument for the COUNT function to include NULL values in the results.

Q4) Explain the difference between a WHERE and a HAVING clause.

Q5) The ____________________ clause can be used to restrict rows, but not groups.

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Chapter 12: Subqueries and Merge Statements Available Study Resources on Quizplus for this Chatper 132 Verified Questions 132 Flashcards Source URL: https://quizplus.com/quiz/21429

Sample Questions Q1) Based on the contents of the CUSTOMERS table, which SQL statement will display the customers residing in the same state as customer#1013?

A) SELECT customer# FROM customers WHERE customer# = (SELECT state FROM customers WHERE state = 'NJ'); B) SELECT customer# FROM customers WHERE state = (SELECT state FROM customers WHERE customer#=1013); C) SELECT customer# FROM customers WHERE customer# IN (SELECT state FROM customers WHERE state = 'NJ'); D) SELECT customer# FROM customers WHERE state EXISTS (SELECT state FROM customers WHERE customer#=1013); Q2) The ____________________ operator indicates that a value must be less than the highest value returned by a subquery.

Q3) A subquery, except one in the FROM clause, can't have an \(\underline { \text { ORDER BY } }\) clause. _________________________ A)True B)False Q4) What is the difference between the IN operator and the =ANY operator?

Q5) A subquery is a(n) ____________________ query - one complete query inside another query.

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Chapter 13: Views Available Study Resources on Quizplus for this Chatper 133 Verified Questions 133 Flashcards Source URL: https://quizplus.com/quiz/21430

Sample Questions Q1) A view can be thought of as the result of a(n) \(\underline { \text { stored } }\)query. _________________________ A)True B)False Q2) A(n) \(\underline { \text { view } }\) is a database object, but it does not actually store data. _________________________ A)True B)False Q3) ____________________ analysis could be used to find the top five values stored in a column.

Q4) \(\underline {\text { Rows } }\) cannot be added to a table through a complex view that is based on a group function. _________________________ A)True B)False Q5) Views are database objects that store data.

A)True B)False Q6) How is a "TOP-N" analysis performed?

Q7) A(n) ____________________ view cannot contain grouped data.

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