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Pass Your Oracle 1Z0-071 Exam Prep: Oracle 1Z0-071 Study Materials, Oracle Database SQL | SPOTO

Achieve success in your Oracle Database SQL (1Z0-071) certification with SPOTO's comprehensive study materials. Our platform offers a variety of resources to aid in your exam preparation, including practice tests, free test sessions, and exam practice materials. Access online exam questions, sample questions, and exam dumps designed to simulate the actual test environment. Our exam questions and answers are crafted to ensure thorough understanding of Oracle SQL and PL/SQL technology, providing a solid foundation for your future progression. Whether you're an IT student seeking to deepen your SQL database knowledge or a junior programmer aiming for Oracle certification, our mock exams offer invaluable insights into your readiness. Trust in our latest practice tests to equip you with the skills and knowledge needed to successfully pass the certification exam and advance your career.
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Question #1
Examine the types and examples of relationship that follows: (Choose the best answer.) 1 One-to-one a) teacher to Student 2 One-to-many b) Employees to Manager 3 Many-to-one c) Person to SSN 4 Many-to-many d) Customers to Products Which option indicates correctly matched relationships?
A. 1-d, 2-b, 3-a, and 4-c
B. 1-c, 2-d, 3-a, and 4-b
C. 1-a, 2-b, 3-c, and 4-d
D. 1-c, 2-a, 3-b, and 4-d
View answer
Correct Answer: AC
Question #2
The following are the steps for a correlated subquery, listed in random order: The WHERE clause of the outer query is evaluated. The candidate row is fetched from the table specified in the outer query. This is repeated for the subsequent rows of the table, till all the rows are processed. Rows are returned by the inner query, after being evaluated with the value from the candidate row in the outer query. Which is the correct sequence in which the Oracle server evaluates a correlated subquery?
A. 2, 1, 4, 3
B. 4, 1, 2, 3
C. 4, 2, 1, 3
D. 2, 4, 1, 3
View answer
Correct Answer: CDF
Question #3
Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator
B. The data dictionary views consists of joins of dictionary base tables and user-defined tables
C. The usernames of all the users including the database administrators are stored in the data dictionary
D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies
E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user
F. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary
View answer
Correct Answer: A
Question #4
Which two statements best describe the benefits of using the WITH clause? (Choose two.)
A. It can improve the performance of a large query by storing the result of a query block having the WITH clause in the session's temporary tablespace
B. It enables sessions to reuse the same query block in a SELECT statement, if it occurs more than once in a complex query
C. It enables sessions to store a query block permanently in memory and use it to create complex queries
D. It enables sessions to store the results of a query permanently
View answer
Correct Answer: D
Question #5
View the exhibit and examine the ORDERS table. ORDERS Name Null? Type ORDER ID NOT NULL NUMBER(4) ORDATE DATE DATE CUSTOMER ID NUMBER(3) ORDER TOTAL NUMBER(7,2) The ORDERS table contains data and all orders have been assigned a customer ID. Which statement would add a NOT NULL constraint to the CUSTOMER_ID column?
A. ALTER TABLE ordersMODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
B. ALTER TABLE ordersADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
C. ALTER TABLE ordersMODIFY customer_id CONSTRAINT orders_cust_nn NOT NULL (customer_id);
D. ALTER TABLE ordersADD customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL;
View answer
Correct Answer: C
Question #6
Sales data of a company is stored in two tables, SALES1 and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1 table, which are not present in the SALES2 table. SALES1 table NameNullType ----------------------------------------------- SALES_IDNUMBER STORE_IDNUMBER ITEMS_IDNUMBER QUANTITYNUMBER SALES_DATEDATE SALES2 table NameNullType ---------------------------------------------- SALES_IDNUMBER STORE_IDNUMBER ITEMS_IDNUMBER QUANTITYNUMBER SALES_DATEDAT
A. INTERSECT
B. UNION
C. PLUS
D. MINUS
E. SUBTRACT
View answer
Correct Answer: D

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