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Oracle 1z1-071 (Oracle Database SQL) Certification Exam is a multiple-choice exam that consists of 73 questions. Candidates are given 100 minutes to complete the exam and must score at least 63% to pass. 1z0-071 Exam is available in English and Japanese and can be taken at authorized testing centers worldwide. 1z0-071 exam fee varies depending on the country and region.

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Oracle Database SQL Sample Questions (Q324-Q329):

NEW QUESTION # 324
The PRODUCTS table has the following structure.

Evaluate the following two SQL statements:
SQL>SELECT prod_id, NVL2 (prod_expiry_date, prod_expiry_date + 15, ' ') FROM products; SQL>SELECT prod_id, NVL (prod_expiry_date, prod_expiry_date + 15) FROM products; Which statement is true regarding the outcome?

A. Only the first SQL statement executes successfully
B. Both the statements execute and give the same result
C. Both the statements execute and give different results
D. Only the second SQL statement executes successfully

Answer: C

Explanation:
Using the NVL2 Function
The NVL2 function examines the first expression. If the first expression is not null, the NVL2 function returns the second expression. If the first expression is null, the third expression is returned.
Syntax
NVL2(expr1, expr2, expr3)
In the syntax:
Expr1 is the source value or expression that may contain a null
Expr2 is the value that is returned if expr1 is not null
Expr3 is the value that is returned if expr1 is null

NEW QUESTION # 325
View the Exhibit and examine the structure of the PRODUCTS table. (Choose the best answer.)

You must display the category with the maximum number of items.
You issue this query:
SQL > SELECT COUNT(*), prod_category_id
FROM products
GROUP BY prod_category_id
HAVING COUNT(*) = (SELECT MAX(COUNT(*)) FROM porducts);
What is the result?

A. It generate an error because the subquery does not have a GROUP BY clause.
B. It generates an error because = is not valid and should be replaced by the IN operator.
C. It executes successfully and gives the correct output.
D. It executes successfully but does not give the correct output.

Answer: A

NEW QUESTION # 326
On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command:
$> sqlldr hr/hr@pdb table=employees
Which two statements are true regarding the command? (Choose two.)

A. It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.
B. It fails because no SQL *Loader control file location is specified.
C. It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.
D. It fails because no SQL *Loader data file location is specified.

Answer: A,C

NEW QUESTION # 327
Which two statements will return the names of the three employees with the lowest salaries?

A. SELECT last_ name, salary
FROM employees
FETCH FIRST 3 ROWS ONLY
ORDER BY salary;
B. SELECT last name, salary
FROM employees
ORDER BY salary
FETCE FIRST 3 RONS ONLY;
C. SELECT last_ name, salary
FROM
(SELECT" FROM employees ORDER BY salary)
WHERE ROWNUM <=3
D. SELECT last_ name, salary
FBOM employees
WEERE
ORDER BY SELECT
ROINUM <= 3
salary FROM
employees);
E. SELECT last_ name, salary
FROM employees
WHERE ROWNUM <=3
ORDER BY salary

Answer: A,C

Explanation:
* A: This statement is correct. It orders the employees by salary and fetches the first 3 rows.
* B: This statement has a typo with "FETCE" and "RONS" which should be "FETCH" and "ROWS".
Hence, it will not execute successfully.
* C: This statement will not execute successfully due to syntactical errors and incorrect use of the ORDER BY clause.
* D: This statement is correct. It uses a subquery to order employees by salary and then limits the results to the first 3 using the ROWNUM pseudo-column.
* E: This statement will not execute successfully because ROWNUM is evaluated before the ORDER BY clause, so it would return the first 3 rows based on the table's natural order, not the lowest salaries.
The behavior of ROWNUM and the FETCH FIRST syntax are explained in the Oracle Database SQL Language Reference 12c.

NEW QUESTION # 328
View the exhibit and examine the descriptions of the DEPT and LOCATIONS tables.

You want to update the CITY column of the DEPT table for all the rows with the corresponding value in the CITY column of the LOCATIONS table for each department.
Which SQL statement would you execute to accomplish the task?

A. UPDATE dept dSET city = (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
B. UPDATE dept dSET city = ALL (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
C. UPDATE dept dSET city = (SELECT cityFROM locations l)WHERE d.location_id = l.location_id;
D. UPDATE dept dSET city = ANY (SELECT cityFROM locations l)

Answer: A

NEW QUESTION # 329
......

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Avoid Exam Failure With Oracle 1z0-071 PDF Questions

Exam Dumps 1z0-071 Pdf, 1z0-071 Cheap Dumps

Oracle Database SQL Sample Questions (Q324-Q329):

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