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NEW QUESTION 30
Examine the data in the ORDERS table:
Examine the data in the INVOICE table:
Examine this query:
Which three rows will it return?
- A. 5 <null>
- B. 1 <null>
- C. 2 <null>
- D. 4 01-FEB-2019
- E. 3 01-JAN-2019
- F. 5 01-MAR-2019
- G. 3 <null>
Answer: C,E,F
NEW QUESTION 31
In which three situations does a transaction complete? (Choose three.)
- A. when a DELETE statement is executed
- B. when a ROLLBACK command is executed
- C. when a TRUNCATE statement is executed after the pending transaction
- D. when a data definition language (DDL) statement is executed
- E. when a PL/SQL anonymous block is executed
Answer: B,C,D
Explanation:
Explanation
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/transact.htm
NEW QUESTION 32
View the exhibit and examine the structure in ORDERS and ORDER_ITEMS tables.
You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order.
Which CREATE VIEW statement would create the views successfully?
- A. CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;
- B. CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date, COUNT (i.line_item_id) ||"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_dateWHITH CHECK OPTION;
- C. CREATE OR REPLACE VIEW ord_vu (order_id, order_date)AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;
- D. CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;
Answer: A
NEW QUESTION 33
Which statement is true regarding external tables?
- A. The data and metadata for an external table are stored outside the database.
- B. ORACLE_LOADERand ORACLE_DATAPUMPhave exactly the same functionality when used with an external table.
- C. The CREATE TABLE AS SELECTstatement can be used to upload data into regular table in the database from an external table.
- D. The default REJECT LIMITfor external tables is UNLIMITED.
Answer: C
Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/tables013.htm
NEW QUESTION 34
Which three queries execute successfully?
- A. SELECT SYSDATE / DATE '2019-01-01' - 1 FROM DUAL
- B. SELECT (SYSDATE-DATE '2019-01-01') / 1 FROM DUAL;
- C. SELECT 1 / SYSDATE - DATE '2019-01-01' FROM DUAL;
- D. SELECT SYSDATE - DATE '2019-01-01' - 1 FROM DUAL;
- E. SELECT 1 - SYSDATE- DATE '2019-01-01' FROM DUAL;
- F. SELECT SYSDATE - 1 - DATE'2019-01-01' EROM DUAL;
Answer: B,D,F
NEW QUESTION 35
Which two statements are true regarding the WHERE and HAVING clauses in a SELECT statement? (Choose two.)
- A. The HAVING clause can be used with aggregate functions in subqueries.
- B. The aggregate functions and columns used in the HAVING clause must be specified in the SELECT list of the query.
- C. The WHERE clause can be used to exclude rows before dividing them into groups.
- D. The WHERE clause can be used to exclude rows after dividing them into groups.
- E. The WHERE and HAVING clauses can be used in the same statement only if they are applied to different columns in the table.
Answer: A,D
NEW QUESTION 36
Which two statements are true regarding roles? (Choose two.)
- A. A role can be granted to itself.
- B. Roles are named groups of related privileges that can be granted to users or other roles.
- C. A role can be granted to PUBLIC.
- D. A user can be granted only one role at any point of time.
- E. The REVOKE command can be used to remove privileges but not roles from other users.
Answer: B,C
Explanation:
http://docs.oracle.com/cd/E25054_01/network.1111/e16543/authorization.htm#autoId28
NEW QUESTION 37
The SQL statements executed in a user session are as follows:
Which two statements describe the consequences of issuing the ROLLBACK TO SAVE POINT a command in the session? (Choose two.)
- A. The rollback generates an error.
- B. Only the second DELETE statement is rolled back.
- C. Both the DELETE statements and the UPDATE statement are rolled back.
- D. No SQL statements are rolled back.
- E. Only the DELETE statements are rolled back.
Answer: A,D
NEW QUESTION 38
Examine the structure of the PROGRAMStable:
Which two SQL statements would execute successfully?
SELECT NVL(ADD_MONTHS(END_DATE,1)SYSDATE)
- A. FROM programs;
SELECT TO_DATE(NVL(SYSDATE-END_DATE,SYSDATE)) - B. FROM programs;
SELECT NVL(MONTHS_BETWEEN(start_date,end_date),'Ongoing') - C. FROM programs;
SELECT NVL(TO_CHAR(MONTHS_BETWEEN(start-date,end_date)),'Ongoing') - D. FROM programs;
Answer: A,D
NEW QUESTION 39
Examine the structure of the DEPARTMENTS table.
You execute the following command:
Which two statements are true?
- A. Synonyms existing of the DEPARTMENTS table would have to be re-created.
- B. A new column, COUNTRY, can be added to the DEPARTMENTS table after executing the command.
- C. Unique key constraints defined on the COUNTRY column are removed.
- D. Views created in the DEPARTMENTS table that include the COUNTRY column are automatically modified and remain valid.
- E. Indexes created on the COUNTRY column exist until the DROP UNUSED COLUMNS command is executed.
Answer: B,C
NEW QUESTION 40
Examine the structure of the EMPLOYEES table.
NameNull?Type
---------------------- ------------
EMPLOYEE_IDNOT NULLNUMBER(6)
FIRST_NAMEVARCHAR2(20)
LAST_NAMENOT NULLVARCHAR2(25)
EMAILNOT NULLVARCHAR2(25)
PHONE NUMBERVARCHAR2(20)
HIRE_DATENOT NULLDATE
JOB_IDNOT NULLVARCHAR2(10)
SALARYNUMBER(8,2)
COMMISSION_PCTNUMBER(2,2)
MANAGER_IDNUMBER(6)
DEPARTMENT_IDNUMBER(4)
There is a parent/child relationship between EMPLOYEE_ID and MANAGER_ID.
You want to display the last names and manager IDs of employees who work for the same manager as the employee whose EMPLOYEE_ID is 123.
Which query provides the correct output?
- A. SELECT e.last_name, m.manager_idFROM employees e RIGHT OUTER JOIN
employees mon (e.employee_id = m.manager_id)WHERE e.employee_id = 123; - B. SELECT m.last_name, e.manager_idFROM employees e LEFT OUTER JOIN
employees mon (e.manager_id = m.manager_id)WHERE e.employee_id = 123; - C. SELECT e.last_name, m.manager_idFROM employees e RIGHT OUTER JOIN
employees mon (e.manager_id = m.employee_id)AND e.employee_id = 123; - D. SELECT e.last_name, e.manager_idFROM employees e RIGHT OUTER JOIN
employees mon (e.employee_id = m.employee_id)WHERE e.employee_id = 123;
Answer: A
NEW QUESTION 41
View the Exhibit and examine the structure of the CUSTOMERS table.
Using the CUSTOMERS table, you must generate a report that displays a credit limit increase of 15% for all customers.
Customers with no credit limit should have "Not Available" displayed.
Which SQL statement would produce the required result?
- A. SELECT TO_CHAR(NVL(cust_credit_limit*.15), 'Not Available')) "NEW CREDIT" FROM customers
- B. SELECT NVL (cust_credit_limit, 'Not Available')*.15 "NEW CREDIT" FROM customers
- C. SELECT NVL (TO_CHAR(cust_credit_limit*.15), 'Not Available') "NEW CREDIT" FROM customers
- D. SELECT NVL (cust_credit_limit*.15, 'Not Available') "NEW CREDIT" FROM customers
Answer: D
NEW QUESTION 42
Which two statements are true regarding roles? (Choose two.)
- A. A role can be granted to itself.
- B. Roles are named groups of related privileges that can be granted to users or other roles.
- C. A role can be granted to PUBLIC.
- D. A user can be granted only one role at any point of time.
- E. The REVOKE command can be used to remove privileges but not roles from other users.
Answer: B,C
Explanation:
Explanation
References:
http://docs.oracle.com/cd/E25054_01/network.1111/e16543/authorization.htm#autoId28
NEW QUESTION 43
Examine this SQL statement:
Which two are true?
- A. The subquery is executed before the UPDATEstatement is executed
- B. The subquery is executed for every updated row in the ORDERStable
- C. The subquery is not a correlated subquery
- D. The UPDATEstatement executes successfully even if the subquery selects multiple rows
- E. All existing rows in the ORDERStable are updated
Answer: C
NEW QUESTION 44
Which statement is true about the Oracle SQL, DELETE and TRUNCATE statements?
- A. DELETE and TRUNCATE statements remove all indexes for the tables on which they are performed.
- B. DELTE and TRUNCATE statements can have a rollback done to restore data into a table.
- C. DELETE but not TRUNCATE statement can be used to selectively remove rows from a table.
- D. DELETE but not TRUNCATE statement can be used to remove data from selective columns and rows of a table.
Answer: C
NEW QUESTION 45
Examine the description of the PRODUCTS table:
Which three queries use valid expressions? (Choose three.)
- A. SELECT product_id, unit_price | | 5 "Discount", unit_price + surcharge - discount FROM products;
- B. SELECT product_id, unit_price, unit_price + surcharge FROM products;
- C. SELECT product_id, (expiry_date - delivery_date) * 2 FROM products;
- D. SELECT product_id, (unit_price * 0.15 / (4.75 + 552.25)) FROM products;
- E. SELECT product_id, expiry_date * 2 FROM products;
- F. SELECT product_id, unit_price, 5 "Discount", unit_price + surcharge - discount FROM products;
Answer: B,E,F
NEW QUESTION 46
You create a table by using this command:
CREATE TABLE rate_list (rate NUMBER(6,2));
Which two are true about executing statements? (Choose two.)
- A. INSERT INTO rate_list VALUES (87654.556)inserts the value as 87654.6.
- B. INSERT INTO rate_list VALUES (0.999) produces an error.
- C. INSERT INTO rate_list VALUES (-99.99)inserts the value as 99.99.
- D. INSERT INTO rate_list VALUES (-10)produces an error.
- E. INSERT INTO rate_list VALUES (0.551)inserts the value as .55.
- F. INSERT INTO rate_list VALUES (-.9)inserts the value as -.9.
Answer: E,F
NEW QUESTION 47
Which two are true about the USING clause when joining tables?
- A. It is used to specify an explicit join condition involving operators.
- B. It is used to specify an equijoin of columns that have the same name in both tables.
- C. All column names in a USING clause must be qualified with a table name or table alias.
- D. It can never be used with a full outer join.
- E. It can never be used with onatural join.
Answer: A,E
NEW QUESTION 48
Which two tasks can be performed by using Oracle SQL statements? (Choose two.)
- A. querying data from tables in different databases
- B. changing the password for an existing database user
- C. starting up a database instance
- D. connecting to a database instance
- E. executing operating system (OS) commands in a session
Answer: A,B
Explanation:
http://www.techonthenet.com/oracle/password.php
https://docs.oracle.com/cd/B28359_01/server.111/b28324/tdpii_distdbs.htm
NEW QUESTION 49
View the Exhibit and examine the structures of the employees and departments tables.
You must update the employees table according to these requirements::
-Update only those employees who work in Boston or Seattle (locations 2900 and 2700).
-Set department_id for these employees to the department id corresponding to London (locationid 2100).
-Set the employees' salary in iocation_id 2100 to 1.1 times the average salary of their department.
-Set the employees' commission In location_id 2100 to 1.5 times the average commission of their department.
You issue this command:
What is the result?
- A. It generates an error because multiple columns cannot be specified together in an UPDATE statement.
- B. It executes successfully but does not produce the desired update.
- C. It executes successfully and produces the desired update.
- D. It generates an error because a subquery cannot have a join condition in an update statement.
Answer: B
NEW QUESTION 50
Which two statements are true about Oracle databases and SQL?
- A. When you execute an update statement, the database Instance locks each updated row.
- B. The database guarantees read consistency at select level on user-created tables.
- C. Updates performed by a database user can be rolled back by another user by using the rollback command.
- D. A query can access only tables within the same schema.
- E. A user can be the owner of multiple schemas In the same database.
Answer: A,B
NEW QUESTION 51
Examine the description of the CUSTOMERS table:
You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit is below 1000.
Examine this partial query:
Which two WHERE conditions give the required result?
- A. Option C
- B. Option D
- C. Option A
- D. Option B
- E. Option E
Answer: D,E
NEW QUESTION 52
Which two statements are true about external tables?
- A. Indexes can be created on them.
- B. You can populate them from existing data in the database by using the CREATE TABLE AS SELECT command.
- C. DML statements cannot be used on them.
- D. Their metadata and actual data are both stored outside the database.
- E. Their data can be retrieved by using only SQL or PL/SQL.
Answer: B,C
NEW QUESTION 53
View the Exhibit and examine the structure in the EMPLOYEES tables.
Evaluate the following SQL statement:
SELECT employee_id, department_id
FROM employees
WHERE department_id= 50 ORDER BY department_id
UNION
SELECT employee_id, department_id
FROM employees
WHERE department_id= 90
UNION
SELECT employee_id, department_id
FROM employees
WHERE department_id= 10;
What would be the outcome of the above SQL statement?
- A. The statement would execute successfully but it will ignore the ORDER BY clause and display the rows in random order.
- B. The statement would execute successfully and display all the rows in the ascending order of DEPARTMENT_ID.
- C. The statement would not execute because the ORDER BY clause should appear only at the end of the SQL statement, that is, in the last SELECT statement.
- D. The statement would not execute because the positional notation instead of the column name should be used with the ORDER BY clause.
Answer: C
NEW QUESTION 54
......
ORACLE 1Z0-071 Exam Certification Path
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Oracle 1Z0-071 Dumps recommends that you should have at least one year of qualification or experience in the IT industry. If you do not have one year of experience, ORACLEs prerequisites are:
- Furthermore, you must complete 15 hours of college graduate coursework* in computer science, information systems management, or information technology coming from a regionally accredited institution.
- You must have completed 60 undergraduate credits in Computer Science, Information Systems Management, Information Tech, or related discipline.
- A prerequisite for Oracle 1Z0-071 is to have an understanding of the following concepts, which are listed below. The concepts are the foundation on which the Oracle Certification exam will be based. You should understand DML (data manipulation language).
- You must have scored 600 on the Computer Science Aptitude Test (CSAT) or 700 on the Graduate Management Admissions Test (GMAT).
The fundamental tenet of Oracle Database Administration is that before you can administer a database, you must know how to create one. This chapter covers the creation of database objects in general and goes into detail on creating tables, views managing, indexes, sequences, and triggers. It also discusses how to use PL/SQL code inside SQL statements to create object definitions or assignments without having to resort to interactively coding them inside SQL*Plus or through direct DDL statements with CREATE statements.
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