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Oracle 1Z0-071 Certification Exam Answers Solutions for Exam Success, Oracle Database SQL | SPOTO

Prepare for the Oracle Database SQL (1Z0-071) certification with SPOTO's 2024 updated practice tests. Our comprehensive exam materials include a variety of practice tests, free test sessions, and targeted exam practice resources. Access a wide array of online exam questions, sample questions, and exam dumps that replicate the actual exam experience. Our detailed exam questions and answers are designed to ensure a deep understanding of Oracle SQL and PL/SQL technology. Whether you're an IT student eager to enhance your SQL database knowledge or a junior programmer aiming for Oracle certification, our mock exams are invaluable. Leverage our latest practice tests to build your confidence and successfully pass the certification exam, establishing a solid foundation for your future career progression
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Question #1
Examine the structure of the BOOKS_ TRANSACTIONS table: Examine the SQL statement: Which statement is true about the outcome?
A. It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE
B. It displays details for members who have borrowed before today's date with either RM asTRANSACTION_TYPE or MEMBER_ID as A101 and A102
C. It displays details for only members A101and A102 who have borrowed before today with RM as TRANSACTION_TYPE
D. It displays details for members who have borrowed before today with RM as TRANSACTION_TYPE and the details for members A101 or A102
View answer
Correct Answer: C
Question #2
n the customers table, the CUST_CITY column contains the value 'Paris' for the CUST_FIRST_NAME 'Abigail'. Evaluate the following query: What would be the outcome?
A. Abigail PA
B. Abigail Pa
C. Abigail IS
D. An error message
View answer
Correct Answer: C
Question #3
Which two statements are true about Data Manipulation Language (DML) statements?
A. An INSERT INTO
B. An UPDATE
C. ADELETE FROM
D. An INSERT INTO
E. ADELETE FROM
F. An UPDATE
View answer
Correct Answer: ABD
Question #4
You must create a table for a banking application. (Choose the best answer.) One of the columns in the table has these requirements: 1: A column to store the duration of a short team loan 2: The data should be stored in a format supporting DATE arithmetic with DATE datatypes without using conversion functions. 3: The maximum loan period is 30 days. 4: Interest must be calculated based on the number of days for which the loan remains unpaid. Which data type would you use?
A. Date
B. Number
C. Timestamp
D. Interval day to second
E. Interval year to month
View answer
Correct Answer: B
Question #5
Which two statements are true regarding constraints? (Choose two.)
A. All constraints can be defined at the column level and at the table level
B. A constraint can be disabled even if the constraint column contains data
C. A column with the UNIQUE constraint can contain NULLS
D. A foreign key column cannot contain NULLS
E. A constraint is enforced only for INSERT operations
View answer
Correct Answer: AB
Question #6
You issue the following command to drop the PRODUCTS table: (Choose all that apply.) SQL > DROP TABLE products; Which three statements are true about the implication of this command?
A. All data along with the table structure is deleted
B. A pending transaction in the session is committed
C. All indexes on the table remain but they are invalidated
D. All views and synonyms on the table remain but they are invalidated
E. All data in the table is deleted but the table structure remains
View answer
Correct Answer: BD
Question #7
Examine the command: SQL> ALTER TABLE books_transactions ADD CONSTRAINT fk_book_id FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE; What does ON DELETE CASCADE imply?
A. When the BOOKS table is dropped, the BOOK_TRANSACTIONS table is dropped
B. When the BOOKS table is dropped, all the rows in the BOOK_TRANSACTIONS table are deleted butthe table structure is retained
C. When a row in the BOOKS table is deleted, the rows in the BOOK_TRANSACTIONS table whose BOOK_ID matches that of the deleted row in the BOOKS table are also deleted
D. When a value in the BOOKS
View answer
Correct Answer: CE
Question #8
Evaluate the following query: SQL> SELECT TRUNC (ROUND (156.00, -1),-1) FROM DUAL; What would be the outcome?
A. 150
B. 200
C. 160
D. 16
E. 100
View answer
Correct Answer: AE
Question #9
Which statements are correct regarding indexes? (Choose all that apply.)
A. A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically attempts to creates a unique index
B. Indexes should be created on columns that are frequently referenced as part of any expression
C. When a table is dropped, the corresponding indexes are automatically dropped
D. For each DML operation performed, the corresponding indexes are automatically updated
View answer
Correct Answer: D
Question #10
You execute the following commands: SQL > DEFINE hiredate = '01-APR-2011' SQL >SELECT employee_id, first_name, salary FROM employees WHERE hire_date > '&hiredate' AND manager_id >&mgr_id; For which substitution variables are you prompted for the input?
A. none, because no input required
B. both the substitution variables ''hiredate' and 'mgr_id'
C. only hiredate'
D. only 'mgr_id'
View answer
Correct Answer: B
Question #11
Which two are the minimal requirements for a self-join? (Choose two.)
A. Only equijoin conditions may be used in the query
B. Outer joins must not be used in the query
C. There must be a condition on which the self-join is performed
D. No other condition except the self-join may be specified
E. The table used for the self-join must have two different alias names in the query
View answer
Correct Answer: D

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