[2023] Valid 1z0-071 test answers & Oracle 1z0-071 exam pdf
Verified 1z0-071 dumps Q&As - Pass Guarantee or Full Refund
NEW QUESTION 28
Which three statements are true about the Oracle join and ANSI Join syntax?
- A. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.
- B. The SQL:1999 compliant ANSI join syntax supports natural joins.
- C. The Oracle join syntax supports creation of a Cartesian product of two tables.
- D. The Oracle join syntax supports natural joins.
- E. The Oracle join syntax only supports right outer joins,
- F. The Oracle join syntax performs less well than the SQL:1999 compliant ANSI Join Answer.
- G. The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables.
Answer: B,C,G
NEW QUESTION 29
Examine the description of EMPLOYEES table:
Which three queries return all rows for which SALARY+COMMISSION is greate than 20000?
- A. SELECT * FROM employees WHERE NVL(salary+commission,0)>==20000;
- B. SELECT * FROM employees WHERE NVL(salary+commission,0)>=20000;
- C. SELECT * FROM employees WHERE salary+NVL(commission,0)>=20000;
- D. SELECT * FROM employees WHERE salary+NULLF(commission,0)>=20000;
- E. SELECT * FROM employees WHERE salary+NVL2(commission,commission,0)>=20000;
- F. SELECT * FROM employees WHERE NVL2(salary)+commission,salary+commission,
Answer: C,E,F
NEW QUESTION 30
View the Exhibit and examine the details of the PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME and LIST_PRICE from the table where the CATEGORYJD column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name, list_price
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?
- A. It would not execute because the same column has been used twice with the AND logical operator.
- B. It would not execute because the entire WHERE clause is not enclosed within parentheses.
- C. It would execute and return the desired.
- D. It would execute but would return no rows.
Answer: D
NEW QUESTION 31
Examine the structure of the MEMBERStable.
Which query can be used to display the last names and city names only for members from the states MO and MI?
- A. SELECT last_name, city FROM members WHERE state ='MO' AND state ='MI';
- B. SELECT last_name, city FROM members WHERE state IN ('MO', 'MI');
- C. SELECT DISTINCT last_name, city FROM members WHERE state ='MO' OR state
='MI'; - D. SELECT last_name, city FROM members WHERE state LIKE 'M%';
Answer: B
NEW QUESTION 32
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 BOOKStable is dropped, the BOOK_TRANSACTIONStable is dropped.
- B. When a row in the BOOKStable is deleted, the rows in the BOOK_TRANSACTIONStable whose BOOK_IDmatches that of the deleted row in the BOOKStable are also deleted.
- C. When the BOOKStable is dropped, all the rows in the BOOK_TRANSACTIONStable are deleted but the table structure is retained.
- D. When a value in the BOOKS.BOOK_IDcolumn is deleted, the corresponding value is updated in the BOOKS_TRANSACTIONS.BOOK_IDcolumn.
Answer: B
NEW QUESTION 33
Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.)
- A. The outer query continues evaluating the result set of the inner query until all the values in the result set are processed.
- B. It is used to test whether the values retrieved by the inner query exist in the result of the outer query.
- C. The outer query stops evaluating the result set of the inner query when the first value is found.
- D. It is used to test whether the values retrieved by the outer query exist in the result set of the inner query.
Answer: C,D
Explanation:
http://www.techonthenet.com/oracle/exists.php
NEW QUESTION 34
Which two statements are true regarding subqueries? (Choose two.)
- A. A subquery can be used to access data from one or more tables or views.
- B. If the subquery returns 0 rows, then the value returned by the subquery expression is NULL.
- C. A subquery in the WHERE clause of a SELECT statement can be nested up to three levels only.
- D. The columns in a subquery must always be qualified with the name or alias of the table used.
- E. Only two subqueries can be placed at one level.
Answer: A,B
NEW QUESTION 35
Which three are true about privileges and roles?
- A. A role can contain a combination of several privileges and roles.
- B. All roles are owned by the SYS schema.
- C. System privileges always set privileges for an entire database.
- D. PUBLIC acts as a default role granted to every user in a database.
- E. A role is owned by the user who created it.
- F. A user has all object privileges for every object in their schema by default.
- G. PUBLICcan be revoked from a user.
Answer: A,D,F
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/network.102/b14266/authoriz.htm#i1010570
NEW QUESTION 36
View the exhibit and examine the structure of the PROMOTIONS table.
You have to generate a report that displays the promo name and start date for all promos that started after the last promo in the 'INTERNET' category.
Which query would give you the required output?
- A. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date> ANY (SELECT promo_begin_dateFROM promotionsWHERE
promo_category= 'INTERNET'); - B. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date > ALL (SELECT promo_begin_dateFROM promotionsWHERE
promo_category = 'INTERNET'); - C. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date> ALL (SELECT MAX (promo_begin_date)FROM promotions)
ANDpromo_category= 'INTERNET'; - D. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date IN (SELECT promo_begin_dateFROM promotionsWHERE
promo_category= 'INTERNET');
Answer: B
NEW QUESTION 37
Which two are true about granting privileges on objects?
- A. The owner of an object acquires all object privileges on that object by default.
- B. The WITH GRANT OPTIONclause can be used only by DBA users.
- C. An object privilege can be granted to other users only by the owner of that object.
- D. An object privilege can be granted to a role only by the owner of that object.
- E. A table owner must grant the REFERENCESprivilege to allow other users to create FOREIGN KEY constraints using that table.
Answer: A,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/network.102/b14266/authoriz.htm#i1008214
NEW QUESTION 38
View the exhibit and examine the structure of the EMPLOYEES table.
You want to display all employees and their managers having 100 as the MANAGER_ID. You want the output in two columns: the first column would have the LAST_NAME of the managers and the second column would have LAST_NAME of the employees.
Which SQL statement would you execute?
- A. SELECT m.last_name "Manager", e.last_name "Employee"FROM employees m JOIN employees eON m.employee_id = e.manager_idWHERE m.manager_id = 100;
- B. SELECT m.last_name "Manager", e.last_name "Employee"FROM employees m JOIN employees eON e.employee_id = m.manager_idWHERE m.manager_id = 100;
- C. SELECT m.last_name "Manager", e.last_name "Employee"FROM employees m JOIN employees eON m.employee_id = e.manager_idWHERE e.manager_id = 100;
- D. SELECT m.last_name "Manager", e.last_name "Employee"FROM employees m JOIN employees eWHERE m.employee_id = e.manager_id and AND e.manager_id = 100
Answer: C
NEW QUESTION 39
Examine these SQL statements that are executed in the given order:
CREATE TABLE emp
(emp_no NUMBER (2) CONSTRAINT emp_emp_no_pk PRIMARY KEY,
ename VARCHAR 2 (15),
salary NUMBER (8, 2),
mgr_no NUMBER(2) CONSTRAINT emp_mgr_fk REFERENCES emp (emp_no));
ALTER TABLE emp
DISABLE CONSTRAINT emp_emp_no_pk CASCADE;
ALTER TABLE emp
ENABLE CONSTRAINT emp_emp_no_pk;
What will be the status of the foreign key EMP_MGR_FK?
- A. It will remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.
- B. It will remain disabled and can be re-enabled manually.
- C. It will be enabled and deferred.
- D. It will be enabled and immediate.
Answer: B
NEW QUESTION 40
Which two statements are true about the DUAL table? (Choose two.)
- A. It can display multiple rows and columns.
- B. It consists of a single row and single column of VARCHAR2data type.
- C. It can display multiple rows but only a single column.
- D. It can be accessed by any user who has the SELECT privilege in any schema.
- E. It can be used to display only constants or pseudo columns.
- F. It can be accessed only by the SYS user.
Answer: B,D
NEW QUESTION 41
Which three statements are true about defining relations between tables in a relational database? (Choose three.)
- A. Primary key columns allow null values.
- B. Every foreign key value must refer to a matching primary or unique key value.
- C. Unique key columns allow null values.
- D. Foreign key columns allow null values.
- E. Every primary or unique key value must refer to a matching foreign key value.
Answer: A,B
NEW QUESTION 42
You issued this command:
Which three statements are true?
- A. The HR.EMPLOYEES table may be moved to the recycle bin.
- B. All indexes defined on HR.EMPLOYEES are dropped.
- C. Synonyms for HR.EMPLOYEES are dropped.
- D. Views referencing HR.EMPLOYEES are dropped.
- E. Sequences used to populate columns in the HR.EMPLOYEES table are dropped.
- F. All constraints defined on HR.EMPLOYEES are dropped.
Answer: B,D,F
NEW QUESTION 43
View the Exhibit and examine the structure of the PRODUCT table.
Which two tasks would require subqueries? (Choose two.)
- A. display the number of products whose list prices are more than the average list price
- B. display all products whose minimum list price is more than the average list price of products having the status 'orderable'
- C. display all suppliers whose list price is more than 1000
- D. display the total number of products supplied by supplier 102 and have product status as 'OBSOLETE'
- E. display the minimum list price for each product status
Answer: A,B
NEW QUESTION 44
Evaluate the following SQL statement:
SELECT product_name || 'it's not available for order'
FROM product_information
WHERE product_status = 'obsolete';
You received the following error while executing the above query:
ERROR
ORA-01756: quoted string not properly terminated
What would you do to execute the query successfully?
- A. Enclose the character literal string in the SELECT clause within double quotation marks
- B. Remove the single quotation marks enclosing the character literal string in the SELECTclause
- C. Use the Oracle (q) operator and delimiter to allow the use of a single quotation mark within the literal character string in the SELECTclause
- D. Use the escape character to negate the single quotation mark within the literal character string in the SELECTclause
Answer: C
Explanation:
Explanation/Reference:
References:
http://docs.oracle.com/cd/B19306_01/server.102/b14200/sql_elements003.htm
NEW QUESTION 45
Which two statements are true about the results of using the INTERSECT operator in compound queries?
- A. Column names in each SELECT in the compound query can be different.
- B. Reversing the order of the intersected tables can sometimes affect the output.
- C. INTERSECT returns rows common to both sides of the compound query.
- D. INTERSECT ignores NULLs.
- E. The number of columns in each SELECT in the compound query can be different.
Answer: C,D
NEW QUESTION 46
......
What are the language, duration, and format of the ORACLE 1Z0-071 Certification Exam?
The language, duration, and format of the ORACLE 1Z0-071 Certification Exam are defined below:
- A number of questions: The total number of questions in exam ORACLE 1Z0-071 is 78. You have to answer all the questions in the given time.
- Time Duration: The total duration for answering all the questions asked in the ORACLE 1Z0-071 exam is 120 min.
- Language of exam: The language in which exam ORACLE 1Z0-071 is being administered in English.
1z0-071 Exam Questions – Valid 1z0-071 Dumps Pdf: https://www.passcollection.com/1z0-071_real-exams.html
1z0-071 PDF Dumps Recently Updated Questions: https://drive.google.com/open?id=1EL6pSYRj159fszCWd-pBQXMm7RkOKseH
