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Oracle 1z1-071 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database SQL
Exam Number:	1Z0-071
Certificate Validity Period:	Non-expiring (Oracle certification policy subject to change)
Exam Price:	USD 245 (varies by country/region)
Exam Format:	Multiple Response, Computer-based exam, Proctored exam, Multiple Choice
Exam Duration:	120 minutes
Available Languages:	Portuguese, Spanish, Chinese (Simplified), Japanese, English
Related Certifications:	Oracle Database Development certifications Oracle Database Administrator Certified Associate
Recommended Training:	Oracle Database SQL Training
Exam Registration:	Oracle Certification Registration
Sample Questions:	Oracle 1z1-071 Sample Questions
Exam Way:	Online proctored or test center delivery depending on region
Pre Condition:	No formal prerequisites required; basic knowledge of relational databases and SQL recommended.
Official Syllabus URL:	https://education.oracle.com/oracle-database-sql/pexam_1Z0-071

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Oracle 1z0-071: Oracle Database SQL Exam is a highly sought-after certification exam for database professionals. 1z1-071 exam is designed to test the skills and knowledge of individuals in the use of SQL language in Oracle databases. A successful completion of 1z1-071 Exam will earn you the Oracle Database SQL certificate, which is recognized worldwide as a mark of proficiency in SQL.

Oracle Database SQL Sample Questions (Q201-Q206):

NEW QUESTION # 201
Examine this SQL statement:

Which two are true? (Choose two.)

A. The DELETE statement executes successfully even if the subquery selects multiple rows.
B. The subquery is executed before the DELETE statement is executed.
C. The subquery is not a correlated subquery.
D. All existing rows in the EMPLOYEES table are deleted.
E. The subquery is executed for every row in the EMPLOYEES table.

Answer: B,E

NEW QUESTION # 202
Which three statements are true regarding group functions? (Choose three.)

A. They can be passed as an argument to another group function.
B. They can be used with a SQL statement that has a GROUP BY clause.
C. They can be used only on one column in the SELECT clause.
D. They can be used on columns or expressions.
E. They can be used together with the single-row functions in the SELECT clause.

Answer: A,D,E

Explanation:
https://www.safaribooksonline.com/library/view/mastering-oracle-sql/0596006322/ch04.html

NEW QUESTION # 203
Examine the description of the PRODUCTS table:

Which two statements execute without errors?

A. MERGE INTO new_prices n
USING (SELECT * FROM products WHERE cost>150) p
ON (n.prod_id= p.prod_id)
WHEN MATCHED THEN
DELETE WHERE (p.cost<200)
B. MERGE INTO new_prices n
USING (SELECT * FROM products) p
WHEN MATCHED THEN
UPDATE SET n.price= p.cost* 01
WHEN NOT MATCHED THEN
INSERT(n.prod_id, n.price) VALUES(p.prod_id, cost*.01)
WHERE(p.cost<200);
C. MERGE INTO new_prices n
USING (SELECT * FROM products WHERE cost>150) p
ON (n.prod_id= p.prod_id)
WHEN MATCHED THEN
UPDATE SET n.price= p.cost*.01
DELETE WHERE (p.cost<200);
D. MERGE INTO new_prices n
USING products p
ON (p.prod_id =n.prod_id)
WHEN NOT MATCHED THEN
INSERT (n.prod _id, n.price) VALUES (p.prod_id, cost*.01)
WHERE (p.cost<200);

Answer: C

Explanation:
B: True. This MERGE statement should execute without errors. It uses a conditionally filtered selection from the products table as a source to update or delete rows in the new_prices table based on whether the prod_id matches and the cost is greater than 150. The delete operation within a MERGE statement is allowed in Oracle when a WHEN MATCHED clause is specified.
The MERGE statement is correctly structured with a USING clause that includes a subquery with a valid WHERE condition, an ON condition that specifies how to match rows between the source and the target, and a WHEN MATCHED THEN clause that specifies the update and delete operations based on the cost condition.
Reference:
Oracle SQL documentation specifies that within a MERGE statement, you can specify a WHEN MATCHED clause to update and/or delete rows in the target table based on the condition specified after the DELETE keyword.

NEW QUESTION # 204
Which two tasks can be performed by using Oracle SQL statements? (Choose two.)

A. querying data from tables in different databases
B. executing operating system (OS) commands in a session
C. starting up a database instance
D. changing the password for an existing database user
E. connecting to a database instance

Answer: A,D

Explanation:
http://www.techonthenet.com/oracle/password.php
https://docs.oracle.com/cd/B28359_01/server.111/b28324/tdpii_distdbs.htm

NEW QUESTION # 205
You execute this query:
SELECT TO CHAR (NEXT_DAY(LAST_DAY(SYSDATE),'MON' ),' dd"Monday for" fmMonth rrr') FROM DUAL; What is the result?

A. It executes successfully but does not return any result.
B. It returns the date for the first Monday of the next month.
C. It returns the date for the last Monday of the current month.
D. It generates an error.

Answer: B

NEW QUESTION # 206
......

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