[Dec 02, 2021] Pass 1z0-071 Review Guide, Reliable 1z0-071 Test Engine
1z0-071 Test Engine Practice Test Questions, Exam Dumps
NEW QUESTION 18
Evaluate the following query
What is the correct output of the above query?
- A. +25-00, +54-02, +00 11:12:10.123457
- B. +00-300, +54-02, +00 11:12:10.123457
- C. +25-00, +00-650, +00 11:12:10.123457
- D. +00-300, +00-650, +00 11:12:10.123457
Answer: A
NEW QUESTION 19
View the Exhibit and examine the structure of CUSTOMERS table.
Evaluate the following query:
Which statement is true regarding the above query?
- A. It executes successfully.
- B. It produces an error because the condition on the CUST_CITY column is not valid.
- C. It produces an error because the condition on the CUST_FIRST_NAME column is not valid.
- D. It produces an error because conditions on the CUST_CREDIT_LIMIT column are not valid.
Answer: A
NEW QUESTION 20
View the Exhibit and examine the description for the PRODUCTS and SALES table.
PROD_ID is a primary key in the PRODUCTS table and foreign key in the SALES table with ON DELETE CASCADE option. The SALES table contains data for the last three years. You want to remove all the rows from the PRODUCTS table for which no sale was done for the last three years.
Which is the valid DELETE statement?
- A. DELETEFROM productsWHERE prod_id = (SELECT prod_idFROM salesWHERE SYSDATE >= time_id - 3*365 );
- B. DELETEFROM productsWHERE prod_id IN (SELECT prod_idFROM salesWHERE SYSDATE -3*365 >= time_id);
- C. DELETEFROM productsWHERE prod_id IN (SELECT prod_idFROM salesWHERE time_id >= SYSDATE - 3*365 );
- D. DELETEFROM productsWHERE prod_id = (SELECT prod_idFROM salesWHERE time_id - 3*365 = SYSDATE );
Answer: B
NEW QUESTION 21
View the exhibit and examine the structure of the STOREStable.
STORES table
Name Null? Type
----------------- ----- -------------
STORE_ID NUMBER
NAME VARCHAR2(100)
ADDRESS VARCHAR2(200)
CITY VARCHAR2(100)
COUNTRY VARCHAR2(100)
START_DATE DATE
END_DATE DATE
PROPERTY_PRICE NUMBER
You want to display the NAME of the store along with the ADDRESS, START_DATE, PROPERTY_PRICE, and the projected property price, which is 115% of property price.
The stores displayed must have START_DATEin the range of 36 months starting from 01-Jan-2000 and above.
Which SQL statement would get the desired output?
- A. SELECT name, concat (address| | ','| |city| |', ', country) AS full_address, start_date,
property_price, property_price*115/100
FROM stores
WHERE MONTHS_BETWEEN (start_date, '01-JAN-2000') <=36; - B. SELECT name, address||','||city||','||country AS full_address,
start_date,
property_price, property_price*115/100
FROM stores
WHERE MONTHS_BETWEEN (start_date, TO_DATE('01-JAN-2000','DD-MON-RRRR'))
<=36; - C. SELECT name, concat (address||','| |city| |', ', country) AS full_address, start_date,
property_price, property_price*115/100
FROM stores
WHERE MONTHS_BETWEEN (start_date, TO_DATE('01-JAN-2000','DD-MON-RRRR'))
<=36; - D. SELECT name, concat (address| | ','| |city| |', ', country) AS full_address, start_date,
property_price, property_price*115/100
FROM stores
WHERE TO_NUMBER(start_date-TO_DATE('01-JAN-2000','DD-MON-RRRR')) <=36;
Answer: C
NEW QUESTION 22
View the exhibit and examine the structure of the CUSTOMERStable.
Which two tasks would require subqueries or joins to be executed in a single statement?
- A. listing of those customers, whose credit limit is the same as the credit limit of customers residing in the city 'Tokyo'.
- B. finding the number of customers, in each city, who's marital status is 'married'.
- C. listing of customers who do not have a credit limit and were born before 1980
- D. finding the average credit limit of male customers residing in 'Tokyo'or 'Sydney'
- E. finding the number of customers, in each city, whose credit limit is more than the average credit limit of all the customers
Answer: A,E
NEW QUESTION 23
Examine the SQL statement used to create the TRANSACTION table. (Choose the best answer.) SQL > CREATE TABLE transaction (trn_id char(2) primary key,
Start_date date DEFAULT SYSDATE,
End_date date NOT NULL);
The value 'A1' does not exist for trn_id in this table.
Which SQL statement successfully inserts a row into the table with the default value for START_DATE?
- A. INSERT INTO transaction (trn_id, end_date) VALUES ('A1', '10-DEC-2014')
- B. INSERT INTO transaction VALUES ('A1', DEFAULT, TO_DATE(DEFAULT+10))
- C. INSERT INTO transaction VALUES ('A1', DEFAULT, TO_DATE('SYSDATE+10'))
- D. INSERT INTO transaction (trn_id, start_date, end_date) VALUES ('A1', , '10-DEC-2014')
Answer: A
NEW QUESTION 24
Which three are true about subqueries?
- A. A subquery cannot be used in the select list.
- B. < any returns true If the argument Is less than the lowest value returned by the subquery.
- C. A subquery can be used in a having clause.
- D. A subquery can be used in a WHERE clause.
- E. < ANY returns true If the argument is less than the highest value returned by the subquery.
- F. = ANY can only evaluate the argument against a subquery If it returns two or more values.
- G. A subquery cannot be used in a from clause.
Answer: C,D,E
NEW QUESTION 25
Examine this description of the PRODUCTS table:
Rows exist in this table with data in all the columns. You put the PRODUCTS table in read-only mode.
Which three commands execute successfully on PRODUCTS?
- A. TRUNCATE TABLE products;
- B. ALTER TABLE products DROP COLUMN expiry_date;
- C. ALTER TABLE products SET UNUSED (expiry_date);
- D. CREATE INDEX price_idx ON products (price);
- E. ALTER TABLE products DROP UNUSED COLUMNS;
- F. DROP TABLE products;
Answer: D,E,F
NEW QUESTION 26
Which two statements are true regarding the UNION ALL operators?
- A. The names of columns selected in each SELECT statement must be identical.
- B. NULLS are not ignored during duplicate checking.
- C. The number of columns selected in each SELECT statement must be identical
- D. Duplicates are eliminated automatically by the UNION ALL operator
- E. The output is sorted by the UNION ALL operator.
Answer: B,C
NEW QUESTION 27
View the Exhibit and examine the structure of the CUSTOMERS and CUST_HISTORY tables.
The CUSTOMERS table contains the current location of all currently active customers.
The CUST_HISTORY table stores historical details relating to any changes in the location of all current as well as previous customers who are no longer active with the company.
You need to find those customers who have never changed their address.
Which SET operator would you use to get the required output?
- A. INTERSECT
- B. MINUS
- C. UNION ALL
- D. UNION
Answer: B
NEW QUESTION 28
View the Exhibit and examine the details of PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name
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 execute but the output would return no rows.
- B. It would not execute because the same column has been used in both sides of the AND logical operator to form the condition.
- C. It would not execute because the entire WHERE clause condition is not enclosed within the parentheses.
- D. It would execute and the output would display the desired result.
Answer: A
NEW QUESTION 29
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 execute but the output would return no rows.
- B. It would not execute because the same column has been used in both sides of the AND logical operator to form the condition.
- C. It would not execute because the entire WHERE clause condition is not enclosed within the parentheses.
- D. It would execute and the output would display the desired result.
Answer: A
NEW QUESTION 30
View the Exhibits and examine PRODUCTS and SALES tables.
Exhibit 1
Exhibit 2
You issue the following query to display product name the number of times the product has been sold:
What happens when the above statement is executed?
- A. The statement executes successfully and produces the required output.
- B. The statement produces an error because a subquery in the FROM clause and outer-joins cannot be used together.
- C. The statement produces an error because ITEM_CNT cannot be displayed in the outer query.
- D. The statement produces an error because the GROUP BY clause cannot be used in a subquery in the FROM clause.
Answer: A
NEW QUESTION 31
Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)
- A. The output is sorted by the UNION ALL operator
- B. NULLS are not ignored during duplicate checking
- C. The names of columns selected in each SELECT statement must be identical
- D. The number of columns selected in each SELECT statement must be identical
- E. Duplicates are eliminated automatically by the UNION ALL operator
Answer: B,D
NEW QUESTION 32
Table ORDER_ITEMS contains columns ORDER_ID, UNIT_PRICE and QUANTITY, of data type NUMBER
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 two statements are true?
- A. Both statements will return NULL if either UNIT PRICE or QUANTITY contains NULL,
- B. Statement 2 returns only one row of output.
- C. Statement 1 returns only one row of output.
- D. Statement 2 may return multiple rows of output.
- E. Both the statement given the same output.
Answer: C,D
NEW QUESTION 33
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?
- A. ALTER TABLE orders
ADD customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL; - B. ALTER TABLE orders
ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id); - C. ALTER TABLE orders
MODIFY customer_id CONSTRAINT orders_cust_nn NOT NULL (customer_id); - D. ALTER TABLE orders
MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
Answer: C
NEW QUESTION 34
These are the steps for a correlated subquery, listed in random order:
The WHERE clause of the outer query is evaluated.
A candidate row is fetched from the table specified in the outer query.
This is repeated for the subsequent rows of the table, until all the rows are processed.
Rows are returned by the inner query, after being evaluated with the value from the candidate row in the outer query.
Which is the correct sequence in which the Oracle server evaluates a correlated subquery?
- A. 2, 1, 4, 3
- B. 4, 1, 2, 3
- C. 2, 4, 1, 3
- D. 4, 2, 1, 3
Answer: C
Explanation:
References:
http://rajanimohanty.blogspot.co.uk/2014/01/correlated-subquery.html
NEW QUESTION 35
Which statement is true about the Oracle SQL, DELETEand TRUNCATEstatements?
- A. DELETEbut not TRUNCATEstatement can be used to selectively remove rows from a table.
- B. DELTEand TRUNCATEstatements can have a rollback done to restore data into a table.
- C. DELETEand TRUNCATEstatements remove all indexes for the tables on which they are performed.
- D. DELETE but not TRUNCATEstatement can be used to remove data from selective columns and rows of a table.
Answer: A
NEW QUESTION 36
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD IDS whose promotion cost is less than the highest cost PROD ID in a pro
motion time interval.
Examine this SQL statement:
SELECT prod id
FROM costs
WHERE promo id IN
(SELECT promo id
FROM promotions
WHERE promo_cost < ALL
(SELECT MAX (promo cost)
FROM promotions
GROUP BY (promo_end date-promo_begin_date)) );
What will be the result?
- A. It gives an error because the GROUP BY clause is not valid
- B. It executes successfully but does not give the required result.
- C. It executes successfully and gives the required result.
- D. It gives an error because the ALL keyword is not valid.
Answer: B
NEW QUESTION 37
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 IN (SELECT promo_begin_dateFROM promotionsWHERE
promo_category= 'INTERNET'); - B. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date> ALL (SELECT MAX (promo_begin_date)FROM promotions)
ANDpromo_category= 'INTERNET'; - C. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date> ANY (SELECT promo_begin_dateFROM promotionsWHERE
promo_category= 'INTERNET'); - D. SELECT promo_name, promo_begin_date FROM promotionsWHERE
promo_begin_date > ALL (SELECT promo_begin_dateFROM promotionsWHERE
promo_category = 'INTERNET');
Answer: D
NEW QUESTION 38
Which three statements are true about the ALTER TABLE....DROP COLUMN....
command?
- A. A parent key column in the table cannot be dropped.
- B. The column in a composite PRIMARY KEY with the CASCADE option can be dropped.
- C. A dropped column can be rolled back.
- D. A column can be dropped only if another column exists in the table.
- E. A column can be dropped only if it does not contain any data.
Answer: A,B,D
NEW QUESTION 39
Examine the description of the EMPLOYEES table:
Which query is valid?
- A. SELECT dept_id, MAX (AVG(salary)) FROM employees GROUP BY dept_id;
- B. SELECT dept_id, AVG(NAX(salary)) FROM employees GROUP BY dept_id;
- C. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
- D. SELECT dept_id, join date, SUM(salary) FROM employees GROUP BY dept_id,join_date;
Answer: D
NEW QUESTION 40
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Target Audience
The Oracle 1Z0-071 exam is designed for those professionals who have some level of experience in operating with Oracle SQL and PL/SQL technologies and want to improve their expertise to perform the job roles of a Database Administrator or a Developer.
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