305 Exam Questions for 1z0-071 Updated Versions With Test Engine [Q44-Q68]

305 Exam Questions for 1z0-071 Updated Versions With Test Engine

Pass 1z0-071 Exam with Updated 1z0-071 Exam Dumps PDF 2021

Exam Topics

The Oracle 1Z0-071 exam checks the candidates’ expertise in a wide range of technical areas. The description of each topic included in this certification test is outlined below:

• Retrieving Data with the Help of the SQL SELECT Statement: This domain includes the following technical skills: utilizing column aliases; utilizing the SQL SELECT statement; utilizing literal character strings, replacement quote operator, the DISTINCT keyword, concatenation operator; utilizing arithmetic expressions as well as NULL values within the SELECT statement.
• Reporting Aggregated Data with the Help of Group Functions: This includes such technical abilities as restricting group results; creating data groups; utilizing group functions.
• Using Conversion Functions & Conditional Expressions: In the framework of this domain, the learners should prove that they are able to apply the COALESCE, NULLIF, NVL functions to data; understand implicit as well as explicit data type conversion; utilize the TO_NUMBER, TO_DATE, and TO_CHAR conversion functions; nest multiple functions.
• Using DDL to Handle Tables and Their Relationships: The subject requires the candidates’ skills in explaining and operating with tables; explaining and operating with data types and columns; creating tables; dropping columns as well as setting column UNUSED; truncating tables; creating and utilizing temporary tables; creating and utilizing external tables; handling constraints.
• Understanding Relational Database Concepts: Within this objective, the test takers should demonstrate that they are capable of describing both physical and theoretical relation database aspects; associating the clauses within SQL Select Statement with the ERD components; describing the link between SQL and a database.
• Using Subqueries to Solve Queries: The skills covered in this topic include utilizing single row subqueries; upgrading and deleting rows with the help of correlated subqueries; utilizing multiple-row subqueries.
• Using SET Operators: To tackle the question from this sector, the students need to have expertise in matching the SELECT statements; utilizing the ORDER BY clause within set operations; utilizing the INTERSECT operator; utilizing the MINUS operator; utilizing the UNION as well as UNION ALL operators.
• Sorting & Restricting Data: Here, the applicants must be conversant with implementing precedence rules for the operators within an expression; restricting Rows Returned within the SQL Statement; utilizing Substitution Variables; utilizing VERIFY as well as DEFINE commands.
• Showcasing Data from Multiple Tables: In the framework of this area, the examinees need to prove their proficiency in utilizing self-joins; utilizing different joins types; utilizing non equijoins; utilizing OUTER joins; describing and utilizing Cartesian products.
• Managing Views: This area comes with the abilities, such as differentiating object privileges from system privileges; granting privileges on tables; distinguishing between granting roles and privileges.
• Using Single-Row Functions to Configure Output: The topic encompasses one’s skills in manipulating strings with the character functions within the SQL SELECT as well as WHERE clauses; implementing arithmetic using date data; manipulating numbers with MOD, TRUNC, and ROUND functions; manipulating dates using the date function.
• Managing Data in Different Time Zones: The topic requires that the applicants possess competency in operating with CURRENT_TIMESTAMP, LOCALTIMESTAMP, and CURRENT_DATE, as well as dealing with INTERVAL data types.
• Managing Tables with the Help of DML Statements: Here, the individuals should know how to manage database transactions; control transactions; implement update, delete, and insert, operations; execute multi-table inserts; execute merge statements.
• Managing Indexes Synonyms & Sequences: This domain focuses on such technical skills as handling indexes; handling sequences as well as handling synonyms.

For more info, read the reference:

Oracle Database SQL Exam Number: 1Z0-071

 

NEW QUESTION 44
View the exhibit and examine the data in the PROJ_TASK_DETAILS table. (Choose the best answer.)

The PROJ_TASK_DETAILS table stores information about project tasks and the relation between them.
The BASED_ON column indicates dependencies between tasks.
Some tasks do not depend on the completion of other tasks.
You must generate a report listing all task IDs, the task ID of any task upon which it depends and the name of the employee in charge of the task upon which it depends.
Which query would give the required result?

• A. SELECT p.task_id, p.based_on, d.task_in_chargeFROM proj_task_details p FULL OUTER JOIN proj_task_details dON (p.based_on = d.task_id);
• B. SELECT p.task_id, p.based_on, d.task_in_chargeFROM proj_task_details p JOIN proj_task_details dON (p.task_id = d.task_id);
• C. SELECT p.task_id, p.based_on, d.task_in_chargeFROM proj_task_details p LEFT OUTER JOIN proj_task_details dON (p.based_on = d.task_id);
• D. SELECT p.task_id, p.based_on, d.task_in_chargeFROM proj_task_details p JOIN proj_task_details dON (p.based_on = d.task_id);

Answer: C

 

NEW QUESTION 45
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.

You executed this UPDATE statement:

Which statement is true regarding the execution? (Choose the best answer.)

• A. It would not execute because two tables cannot be referenced in a single UPDATE statement.
• B. It would execute and restrict modifications to the columns specified in the SELECT statement.
• C. It would not execute because a subquery cannot be used in the WHERE clause of an UPDATE statement.
• D. It would not execute because a SELECT statement cannot be used in place of a table name.

Answer: B

 

NEW QUESTION 46
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 not execute because the ORDER BY clause should appear only at the end of the SQL statement, that is, in the last SELECT statement.
• B. The statement would execute successfully but it will ignore the ORDER BY clause and display the rows in random order.
• C. The statement would execute successfully and display all the rows in the ascending order of DEPARTMENT_ID.
• D. The statement would not execute because the positional notation instead of the column name should be used with the ORDER BY clause.

Answer: A

 

NEW QUESTION 47
View the exhibit and examine the structures of the EMPLOYEESand DEPARTMENTStables.

You want to update EMPLOYEEStable as follows:
Update only those employees who work in Boston or Seattle (locations 2900 and 2700).

Set department_idfor these employees to the department_idcorresponding to London

(location_id 2100).
Set the employees' salary in location_id2100 to 1.1 times the average salary of their department.

Set the employees' commission in location_id2100 to 1.5 times the average commission of their

department.
You issue the following command:

What is outcome?

• A. It executes successfully and gives the desired update
• B. It generates an error because a subquery cannot have a join condition in a UPDATEstatement.
• C. It executes successfully but does not give the desired update
• D. It generates an error because multiple columns (SALARY, COMMISSION)cannot be specified together in an UPDATEstatement.

Answer: C

 

NEW QUESTION 48
Which statement is true about transactions?

• A. A set of DDL statements executed in a sequence ending with a COMMIT forms a single transaction.
• B. Each Data Definition Language (DDL) statement executed forms a single transaction.
• C. A combination of DDL and DML statements executed in a sequence ending with a COMMIT forms a single transaction.
• D. A set of Data Manipulation Language (DML) statements executed in a sequence ending with a SAVEPOINT forms a single transaction.

Answer: B

Explanation:
Explanation
References:
https://docs.oracle.com/database/121/CNCPT/transact.htm#CNCPT038

 

NEW QUESTION 49
Examine this statement:
CREATE TABTE orders
(sarial_no NUMBER UNIQUE,
order_id NUMBER PRIMARY KEY ,
order_date DATE NOT NULL,
status VARCHAR2 (10) CHECK (status IN ('CREDIT', 'CASH')),
product_id NUMBER REFERENCES products (product_id),
order_ total NUMBER);
On which two columns of the table will an index be created automatically?

• A. ORDER TOTAL
• B. PRODUCT_ ID
• C. ORDER_ ID
• D. ORDER_DATE
• E. STATUS
• F. SERIAL_NO

Answer: C,F

 

NEW QUESTION 50
The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues this GRANT command:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What must be done to fix the statement?

• A. ALL should be replaced with a list of specific privileges.
• B. WITH GRANT OPTION should be added to the statement.
• C. PUBLIC should be replaced with specific usernames.
• D. Separate GRANT statements are required for the ORDERS and ORDER_ITEMS tables.

Answer: D

Explanation:
Explanation
References:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html

 

NEW QUESTION 51
Examine the structure of the MARKStable:

Which two statements would execute successfully? (Choose two.)
SELECT SUM(DISTINCT NVL(subject1,0)), MAX(subject1)

• A. FROM marks
  WHERE student_name IS NULL;
  SELECT student_name,SUM(subject1)
• B. FROM marks
  WHERE student_name LIKE 'R%';
• C. FROM marks
  WHERE subject1 > subject2;
  SELECT student_name subject1
• D. FROM marks
  WHERE subject1 > AVG(subject1);
  SELECT SUM(subject1+subject2+subject3)

Answer: A,C

 

NEW QUESTION 52
Examine the description of the ENPLOYES table:

Which query requires explicit data type conversion?

• A. SELECT salary + '120.50' FROM employees;
• B. SELECT SUBSTR(join date, 1, 2) - 10 FROM employees;
• C. SELECT join _ date FROM employees WHERE join date > *10-02-2018';
• D. SELECT join_ date||''|| salary FROM employees;
• E. SELECT join_ date + '20' EROM employees;

Answer: C

 

NEW QUESTION 53
Examine this statement:

Which two statements are true?

• A. The names of employees maximum salary will appear fist to descending order
• B. All remaining employee names will appear in descending order
• C. All remaining employee names will appear in ascending order
• D. The names of employees maximum salary will appear fist to ascending order
• E. The names of employees remaining the maximum salary will appear first in an ascending order
• F. All remaining employee names will appear in an ascending order

Answer: A,C

 

NEW QUESTION 54
You need to display the date 11-oct-2007 in words as 'Eleventh of October, Two Thousand Seven'.
Which SQL statement would give the required result?

• A. SELECT TO_CHAR (TO_DATE ('11-oct-2007'), 'fmDdspth of month, year')
  FROM DUAL
• B. SELECT TO_DATE (TO_CHAR ('11-oct-2007'), 'fmDdspth "of" Month, Year')) FROM DUAL
• C. SELECT TO_CHAR (TO_DATE ('11-oct-2007'), 'fmDdthsp "of" Month, Year') FROM DUAL
• D. SELECT TO_CHAR ('11-oct-2007', 'fmDdspth "of" Month, Year')
  FROM DUAL

Answer: C

 

NEW QUESTION 55
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. Duplicates are eliminated automatically by the UNION ALL operator
• D. The number of columns selected in each SELECT statement must be identical
• E. The names of columns selected in each SELECT statement must be identical

Answer: B,D

 

NEW QUESTION 56
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, 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;
• B. 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;
• 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 MONTHS_BETWEEN (start_date, '01-JAN-2000') <=36;

Answer: C

 

NEW QUESTION 57
Examine this description of the PRODUCTStable:

Rows exist in this table with data in all the columns. You put the PRODUCTStable in read-only mode.
Which three commands execute successfully on PRODUCTS? (Choose three.)
DROP TABLE products;

• A. ALTER TABLE products SET UNUSED (expiry_date);
• B. CREATE INDEX price_idx ON products (price);
• C. ALTER TABLE products DROP UNUSED COLUMNS;
• D.
• E. ALTER TABLE products DROP COLUMN expiry_date;
• F. TRUNCATE TABLE products;

Answer: B,E,F

 

NEW QUESTION 58
View the Exhibit and examine the description of the EMPLOYEES table.

Evaluate the following SQL statement:
SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM employees; The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID,and review date for employees. The review date is the firsts Monday after the completion of six months of the hiring. The NLS_TERRITORY parameter is set to AMERICAin the session.
Which statement is true regarding this query?

• A. The query would not execute because the NEXT_DAYfunction accepts a string as argument.
• B. The query would execute but the output would give review dates that are Sundays.
• C. The query would execute to give the desired output.
• D. The query would not execute because date functions cannot be nested.

Answer: B

 

NEW QUESTION 59
Examine the description of the CUSTOMERS table:

You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?

• A. SELECT * FROM customers WHERE city = 'D_%';
• B. SELECT * FROM customers WHERE city LIKE 'D_%';
• C. SELECT * FROM customers WHERE city LIKE 'D_';
• D. SELECT * FROM customers WHERE city = '%D_';

Answer: B

 

NEW QUESTION 60
Examine the description of the EMPLOYEES table:

Which statement will fail?

• A. SELECT department_id, COUNT (*)
  FROM employees
  WHERE department_ id <> 90 AND COUNT(*) >= 3
  GROUP BY department_id;
• B. SELECT department_id, COUNT(*)
  FROM employees
  WHERE department_id <> 90 GROUP BY department_id
  HAVING COUNT(*) >= 3;
• C. SELECT department_id, COUNT (*)
  FROM employees
  HAVING department_ id <> 90 AND COUNT(*) >= 3
  GROUP BY department_id;
• D. SELECT department_id, COUNT(*)
  FROM employees
  WHERE department_id <> 90 HAVING COUNT(*) >= 3
  GROUP BY department_id;

Answer: A

 

NEW QUESTION 61
Evaluate this query:
SQL> SELECT TRUNC(ROUND(156.00,-1),-1)
FROM DUAL;
What will be the result?

• A. 0
• B. 1
• C. 2
• D. 3
• E. 4

Answer: C

 

NEW QUESTION 62
Evaluate the following SQL statement:
SQL> select cust_id, cust_last_name "Last name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses either one of which can complete the query. (Choose three.)

• A. ORDER BY "Last name"
• B. ORDER BY CUST_NO
• C. ORDER BY 2,1
• D. ORDER BY "CUST_NO"
  Using the ORDER BY Clause in Set Operations
  -The ORDER BY clause can appear only once at the end of the compound query.
  -Component queries cannot have individual ORDER BY clauses.
  -The ORDER BY clause recognizes only the columns of the first SELECT query.
  -By default, the first column of the first SELECT query is used to sort the output in an ascending order.
• E. ORDER BY 2, cust_id

Answer: A,C,E

 

NEW QUESTION 63
Which two statements are true about single-row functions? (Choose two.)

• A. CEIL: can be used for positive and negative numbers
• B. TRUNC: can be used with NUMBER and DATE values
• C. MOD: returns the quotient of a division operation
• D. FLOOR: returns the smallest integer greater than or equal to a specified number
• E. CONCAT: can be used to combine any number of values

Answer: B,C

 

NEW QUESTION 64
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: C

 

NEW QUESTION 65
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 VALUES ('A1', DEFAULT, TO_DATE(DEFAULT+10))
• B. INSERT INTO transaction VALUES ('A1', DEFAULT, TO_DATE('SYSDATE+10'))
• C. INSERT INTO transaction (trn_id, end_date) VALUES ('A1', '10-DEC-2014')
• D. INSERT INTO transaction (trn_id, start_date, end_date) VALUES ('A1', , '10-DEC-2014')

Answer: C

 

NEW QUESTION 66
Which three actions can you perform on an existing table containing data? (Choose three.)

• A. Add a new NOT NULL column with a DEFAULT value
• B. Define a default value that is automatically inserted into a column containing nulls
• C. Change the default value of a column
• D. Change a DATE column containing data to a NUMBER data type
• E. Add a new column as the table's first column
• F. Increase the width of a numeric column

Answer: C,E

 

NEW QUESTION 67
Examine the data in the ENPLOYEES table:

Which statement will compute the total annual compensation tor each employee?

• A. SELCECT last_namo, (monthly_salary * 12) + (menthy_salary * 12 * monthly_commission_pct)
  AS annual_comp FROM employees
• B. SELCECT last_namo, (monthly_salary * 12) + (menthy_salary * 12 * NVL
  (monthly_commission_pct, 0)) AS annual_comp FROM employees
• C. SELCECT last_namo, (monthly_salary * 12) + (monthly_commission_pct * 12) AS annual_comp
  FROM employees
• D. SECECT last_namo, (menthy_salary + monthly_commission_pct) * 12 AS annual_comp
  FROM employees;

Answer: B

 

NEW QUESTION 68
......

Who should take the Oracle 1Z0-071: Oracle Database SQL Exam

This course is for software administrators, database designers, and system operators.

 

1z0-071 Exam Dumps - Free Demo & 365 Day Updates: https://www.itcertmagic.com/Oracle/real-1z0-071-exam-prep-dumps.html

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