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Expertly Designed Oracle 1Z0-071 Exam Sample Questions & Answers, Oracle Database SQL | SPOTO

Prepare with confidence for the Oracle Database SQL (1Z0-071) certification using SPOTO's expertly designed exam materials. Our platform offers a range of resources, including practice tests, free test sessions, and comprehensive exam practice tools. Explore our extensive collection of online exam questions, sample questions, and exam dumps, all tailored to mirror the actual exam. Our exam questions and answers are crafted to ensure a deep understanding of Oracle SQL and PL/SQL technology. Whether you're an IT student seeking to expand your SQL database knowledge or a junior programmer aiming for Oracle certification, our mock exams are invaluable. Leverage our latest practice tests to build confidence and successfully pass the certification exam, establishing a strong foundation for your future career progression.
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Question #1
Which statement is true regarding the USING clause in table joins? (Choose two.)
A. It can be used to join a maximum of three tables
B. It can be used to access data from tables through equijoins as well as nonequijoins
C. It can be used to join tables that have columns with the same name and compatible data types
D. It can be used to restrict the number of columns used in a NATURAL join
View answer
Correct Answer: B

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Question #2
Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A. The nested query executes after the outer query returns the row
B. The nested query executes first and then the outer query executes
C. The outer query executes only once for the result returned by the inner query
D. Each row returned by the outer query is evaluated for the results returned by the inner query
View answer
Correct Answer: AC
Question #3
Which statement is true about an inner join specified in the WHERE clause of a query?
A. It must have primary-key and foreign-key constraints defined on the columns used in the join condition
B. It requires the column names to be the same in all tables used for the join conditions
C. It is applicable for equijoin and nonequijoin conditions
D. It is applicable for only equijoin conditions
View answer
Correct Answer: ABD
Question #4
View the Exhibit and examine the description of the EMPLOYEES table. You want to calculate the total renumeration for each employee. Total renumeration is the sum of the annual salary and the percentage commission earned for a year. Only a few employees earn commission. Which SQL statement would you execute to get the desired output?
A. SELECT first_name, salary, salary*12+(salary*NVL2 (commission_pct, salary,salary+commission_pct))“Total”FROM EMPLOYEES;
B. SELECT first_name, salary, salary*12+salary*commission_pct “Total”FROM EMPLOYEES;
C. SELECT first_name, salary (salary + NVL (commission_pct, 0)*salary)*12 “Total”FROM EMPLOYEES;
D. SELECT first_name, salary*12 + NVL(salary,0)*commission_pct, “Total”FROM EMPLOYEES;
View answer
Correct Answer: CE
Question #5
Which two statements are true regarding constraints?
A. A foreign key column cannot contain null values
B. A column with the UNIQUE constraint can contain null values
C. A constraint is enforced only for INSERT operation on the table
D. A constraint can be disabled even if the constraint column contains data
E. All constraints can be defined at the column level and at the table level
View answer
Correct Answer: BD
Question #6
Examine the business rule: Each student can work on multiple projects and each project can have multiple students. You need to design an Entity Relationship Model (ERD) for optimal data storage and allow for generating reports in this format: STUDENT_ID FIRST_NAME LAST_NAME PROJECT_ID PROJECT_NAME PROJECT_TASK Which two statements are true in this scenario?
A. The ERD must have a 1:M relationship between the STUDENTS and PROJECTS entities
B. The ERD must have a M:M relationship between the STUDENTS and PROJECTS entities that must be resolved into 1:M relationships
C. STUDENT_ID must be the primary key in the STUDENTS entity and foreign key in the PROJECTS entity
D. PROJECT_ID must be the primary key in the PROJECTS entity and foreign key in the STUDENTS entity
E. An associative table must be created with a composite key of STUDENT_ID and PROJECT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities
View answer
Correct Answer: C
Question #7
When does a transaction complete? (Choose all that apply.)
A. When a PL/SQL anonymous block is executed
B. When a DELETE statement is executed
C. When a data definition language statement is executed
D. When a TRUNCATE statement is executed after the pending transaction
E. When a ROLLBACK command is executed
View answer
Correct Answer: AB
Question #8
You need to produce a report where each customer’s credit limit has been incremented by $1000. In the output, the customer’s last name should have the heading Name and the incremented credit limit should be labeled New Credit Limit. The column headings should have only the first letter of each word in uppercase. Which statement would accomplish this requirement?
A. SELECT cust_last_name AS “Name”, cust_credit_limit + 1000AS “New Credit Limit”FROM customers;
B. SELECT cust_last_name AS Name, cust_credit_limit + 1000AS New Credit LimitFROM customers;
C. SELECT cust_last_name AS Name, cust_credit_limit + 1000“New Credit Limit”FROM customers;
D. SELECT INITCAP (cust_last_name) “Name”, cust_credit_limit + 1000INITCAP (“NEW CREDIT LIMIT”)FROM customers;
View answer
Correct Answer: AC
Question #9
In which three situations does a transaction complete?
A. when a PL/SQL anonymous block is executed
B. when a DELETE statement is executed
C. when a ROLLBACK command is executed
D. when a data definition language (DDL) statement is executed
E. when a TRUNCATE statement is executed after the pending transaction
View answer
Correct Answer: A
Question #10
View the Exhibit and examine the details of the PRODUCT_INFORMATION table. (Choose two.) Evaluate this SQL statement: SELECT TO_CHAR (list_price, '$9,999') From product_information; Which two statements are true regarding the output?
A. A row whose LIST_PRICE column contains value 11235
B. A row whose LIST_PRICE column contains value 1123
C. A row whose LIST_PRICE column contains value 1123
D. A row whose LIST_PRICE column contains value 11235
View answer
Correct Answer: A
Question #11
View the Exhibit and examine the structure of the PRODUCT_INFORMATION and INVENTORIES tables. You have a requirement from the supplies department to give a list containing PRODUCT_ID, SUPPLIER_ID, and QUANTITY_ON_HAND for all the products wherein QUANTITY_ON_HAND is less than five. Which two SQL statements can accomplish the task? (Choose two.)
A. SELECT i
B. SELECT product_id, quantity_on_hand, supplier_idFROM product_informationNATURAL JOIN inventories AND quantity_on_hand < 5;
C. SELECT i
D. SELECT i
View answer
Correct Answer: D
Question #12
Examine the structure proposed for the TRANSACTIONS table: Which two statements are true regarding the storage of data in the above table structure? (Choose two.)
A. The CUST_CREDIT_VALUE column would allow storage of positive and negative integers
B. The TRANS_VALIDITY column would allow storage of a time interval in days, hours, minutes, and seconds
C. The CUST_STATUS column would allow storage of data up to the maximum VARCHAR2 size of 4,000 characters
D. The TRANS_DATE column would allow storage of dates only in the dd-mon-yyyy format
View answer
Correct Answer: AC

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