[Dec 11, 2021] 1z0-071 Exam Dumps 100% Same Q&A In Your Real Exam
1z0-071 Test Engine Dumps Training With 305 Questions
The Oracle 1Z0-071 is a certification exam that proves the candidate’s knowledge of SQL technology and SQL concepts required to participate in any database project. The target audience for this exam is the IT professionals with some experience in working with these technologies. The fundamental knowledge of general computing concepts and command line interfaces will be an advantage as well.
NEW QUESTION 27
View the Exhibit and examine the structure of the ORDERStable. The columns ORDER_MODEand ORDER_TOTALhave the default values 'direct'and 0respectively.
Which two INSERTstatements are valid? (Choose two.)
INSERT INTO orders
- A. (SELECT order_id,order_date,customer_id
FROM orders)
VALUES (1,'09-mar-2007', 101);
INSERT INTO orders - B. VALUES (1,'09-mar-2007', 'online','', 1000);
INSERT INTO orders - C. (order_id,order_date,order_mode,order_total)
VALUES (1,'10-mar-2007','online',1000); - D. VALUES (1,'09-mar-2007', DEFAULT, 101, DEFAULT);
INSERT INTO orders - E. (order_id,order_date,order_mode,
(customer_id,order_total)
VALUES (1,TO_DATE(NULL), 'online', 101, NULL);
INSERT INTO
Answer: A,D
NEW QUESTION 28
Examine the structure of the EMPLOYEES table.
You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output? (Choose two.)
- A. SELECT MIN(Salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary);
- B. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365)GROUP BY maxsal, minsal;
- C. SELECT MIN(Salary), MAX(salary)FROM (SELECT salary FROMemployeesWHERE hire_date < SYSDATE-365);
- D. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary));
Answer: B,C
NEW QUESTION 29
Which two statements are true about Data Manipulation Language (DML) statements?
- A. An INSERT INTO...VALUES.. statement can add multiple rows per execution to a table.
- B. A DELETE FROM..... statement can remove rows based on only a single condition on a table.
- C. An INSERT INTO... VALUES..... statement can add a single row based on multiple conditions on a table.
- D. An UPDATE....SET.... statement can modify multiple rows based on only a single condition on a table.
- E. A DELETE FROM..... statement can remove multiple rows based on multiple conditions on a table.
- F. An UPDATE... SET... statement can modify multiple rows based on multiple conditions on a table.
Answer: E,F
Explanation:
Explanation
References:
http://www.techonthenet.com/sql/and_or.php
NEW QUESTION 30
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. (Choose the best answer.)
You executed this UPDATE statement:
UPDATE
( SELECT order_date, order_total, customer_id FROM orders)
Set order_date = '22-mar-2007'
WHERE customer_id IN
(SELECT customer_id FROM customers
WHERE cust_last_name = 'Roberts' AND credit_limit = 600);
Which statement is true regarding the execution?
- A. It would execute and restrict modifications to the columns specified in the SELECT statement.
- B. It would not execute because a SELECT statement cannot be used in place of a table name.
- C. It would not execute because two tables cannot be referenced in a single UPDATE statement.
- D. It would not execute because a subquery cannot be used in the WHERE clause of an UPDATE statement.
Answer: A
NEW QUESTION 31
Examine the description of the BOOKS_TRANSACTIONS table:
Examine this partial SQL statement:
SELECT * FROM books_transactions
Which two WHERE conditions give the same result?
- A. WHERE (borrowed_date = SYSDATE AND transaction_type = 'RM') OR member_id IN ('A101','A102');
- B. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' AND (member_id = 'A101' OR member_id = 'A102'));
- C. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' AND member_id = 'A101' OR member_id = 'A102');
- D. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN('A101','A102');
- E. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN('A101','A102');
Answer: A,E
NEW QUESTION 32
Evaluate the following SQL statements that are issued in the given order:
CREATE TABLE emp
( emp_no NUMBER(2) CONSTRAINT emp_emp_no_pk PRIMARY KEY,
ename VARCHAR2(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 would be the status of the foreign key EMP_MGR_PK?
- A. It would be automatically enabled and deferred.
- B. It would remain disabled and can be enabled only by dropping the foreign key constraint and recreating it.
- C. It would be automatically enabled and immediate.
- D. It would remain disabled and has to be enabled manually using the ALTER TABLE command.
Answer: D
NEW QUESTION 33
Examine the structure of the PROMOTIONS table: (Choose the best answer.)
Management requires a report of unique promotion costs in each promotion category.
Which query would satisfy this requirement?
- A. SELECT promo_category, DISTINCT promo_cost FROM promotions
- B. SELECT DISTINCT promo_cost, promo_category FROM promotions
- C. SELECT DISTINCT promo_cost, DISTINCT promo_category FROM promotions;
- D. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1
Answer: D
NEW QUESTION 34
Which two statements are true regarding the SQL GROUP BY clause? (Choose two.)
- A. You can use a column alias in the GROUP BY clause.
- B. Using the WHERE clause before the GROUP BY clause excludes rows before creating groups.
- C. Using the WHERE clause after the GROUP BY clause excludes rows after creating groups.
- D. The GROUP BY clause is mandatory if you are using an aggregating function in the SELECT clause.
- E. If the SELECT clause has an aggregating function, then columns without an aggregating function in the SELECT clause should be included in the GROUP BY clause.
Answer: B,E
NEW QUESTION 35
View the Exhibit and examine the structure of the PRODUCTS table.
You must display the category with the maximum number of items.
You issue this query:
What is the result?
- A. It executes successfully and gives the correct output.
- B. It generates an error because = is not valid and should be replaced by the IN operator.
- C. It executes successfully but does not give the correct output.
- D. It generate an error because the subquery does not have a GROUP BY clause.
Answer: D
NEW QUESTION 36
View the Exhibit and examine the details of the ORDER_ITEMS table.
Evaluate the following SQL statements:
Statement 1:
SELECT MAX(unit_price*quantity) "Maximum Order"
FROM order_items;
Statement 2:
SELECT MAX(unit_price*quantity) "Maximum Order"
FROM order_items
GROUP BY order_id;
Which statements are true regarding the output of these SQL statements? (Choose all that apply.)
- A. Statement 1 would not return give the same output.
- B. Both statements would ignore NULL values for the UNIT_PRICE and QUANTITY columns.
- C. Statement 1 would return only one row of output.
- D. Statement 2 would return multiple rows of output.
- E. Both the statements would give the same output.
Answer: B,C,D
NEW QUESTION 37
In which three situations does a new transaction always start? (Choose three.)
- A. when issuing the first Data Manipulation Language (DML) statement after a COMMIT or ROLLBACK statement was issued in the same session
- B. when issuing a SELECT FOR UPDATEstatement after a CREATE TABLE AS SELECTstatement was issued in the same session
- C. when issuing a TRUNCATEstatement after a SELECT statement was issued in the same session
- D. when issuing a CREATE TABLEstatement after a SELECTstatement was issued in the same session
- E. when issuing a DML statement after a DML statement failed in the same session
- F. when issuing a CREATE INDEXstatement after a CREATE TABLEstatement completed successfully in the same session
Answer: A,B,F
NEW QUESTION 38
Examine the description of the EMPLOYEES table:
Which query requires explicit data type conversion?
- A. SELECT join_date || ' ' || salary FROM employees;
- B. SELECT salary + '120.50' FROM employees;
- C. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
- D. SELECT join_date + '20' FROM employees;
- E. SELECT SUBSTR(join_date, 1, 2) - 10 FROM employees;
Answer: D
NEW QUESTION 39
Evaluate these commands which execute successfully CREATE SEQUENCE ord_seq
INCREMENT BY 1
START WITH 1
MAXVALUE 100000
CYCLE
CACHE 5000;
Create table ord_items(
ord_no number(4) default ord_seq.nextval not null,
Item_no number(3),
Qty number(3),
Expiry_date date,
Constraint it_pk primary key(ord_no,item_no),
Constraint ord_fk foreign key (ord_no) references orders(ord_no));
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence?
- A. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ.
- B. IF sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS.
- C. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- D. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers.
- E. Column ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO.
Answer: A,E
NEW QUESTION 40
Examine the structure of the MEMBERS table: (Choose the best answer.)
Examine the SQL statement:
SQL > SELECT city, last_name LNAME FROM MEMBERS ORDER BY 1, LNAME DESC; What would be the result execution?
- A. It fails because a column alias cannot be used in the ORDER BY clause.
- B. It displays all cities in ascending order, within which the last names are further sorted in descending order.
- C. It fails because a column number and a column alias cannot be used together in the ORDER BY clause.
- D. It displays all cities in descending order, within which the last names are further sorted in descending order.
Answer: B
NEW QUESTION 41
View the exhibit and examine the ORDERStable.
The ORDERStable contains data and all orders have been assigned a customer ID. Which statement would add a NOTNULLconstraint to the CUSTOMER_IDcolumn?
ALTER TABLE orders
- A. ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
ALTER TABLE orders - B. MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
ALTER TABLE orders - C. MODIFY customer_id CONSTRAINT orders_cust_nn NOT NULL (customer_id);
ALTER TABLE orders - D. ADD customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL;
Answer: C
NEW QUESTION 42
Examine these statements executed in a single Oracle session:
Which three statements are true?
- A. There is no row containing pencil.
- B. The code for penis 1.
- C. There is no row containing pen.
- D. There is no row containing fountain pen.
- E. The code for fountain penis 3.
- F. The code for penis 10.
Answer: A,B,E
NEW QUESTION 43
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