Real Exam Questions 1z0-071 Dumps Exam Questions in here [Nov-2021]
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Conclusion
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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:
- 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.
- 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.
- Managing Indexes Synonyms & Sequences: This domain focuses on such technical skills as handling indexes; handling sequences as well as handling synonyms.
- 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.
- 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.
- 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.
- 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.
- 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 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.
- 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 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.
- 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.
- 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 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.
NEW QUESTION 86
Which statement is true about transactions?
- A. A combination of DDL and DML statements executed in a sequence ending with a COMMITforms a single transaction.
- B. A set of DDL statements executed in a sequence ending with a COMMITforms a single transaction.
- C. Each Data Definition Language (DDL) statement executed forms a single transaction.
- D. A set of Data Manipulation Language (DML) statements executed in a sequence ending with a SAVEPOINTforms a single transaction.
Answer: C
Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/database/121/CNCPT/transact.htm#CNCPT038
NEW QUESTION 87
View the exhibit and examine the description of the DEPARTMENTSand EMPLOYEEStables.
The retrieve data for all the employees for their EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, the following SQL statement was written:
SELECT employee_id, first_name, department_name
FROM employees
NATURAL JOIN departments;
The desired output is not obtained after executing the above SQL statement. What could be the reason for this?
- A. The EMPLOYEESand DEPARTMENTStables have more than one column with the same column name and data type.
- B. The NATURAL JOINclause is missing the USINGclause.
- C. The table prefix is missing for the column names in the SELECTclause.
- D. The DEPARTMENTStable is not used before the EMPLOYEEStable in the FROMclause.
Answer: A
Explanation:
Explanation/Reference:
Explanation:
Natural join needs only one column to be the same in each table. The EMPLOYEESand DEPARTMENTS tables have two columns that are the same (Department_ID and Manager_ID)
NEW QUESTION 88
View the Exhibit and examine the data in the employees table.
You want to generate a report showing the total compensation paid to each employee to date.
You issue the following query:
What is the outcome?
- A. It generates an error because the usage of the round function in the expression is not valid
- B. It executes successfully but does not give the correct output.
- C. It generates an error because the concatenation operator can be used to combine only two items.
- D. It generates an error because the alias is not valid.
- E. It executes successfully and gives the correct output.
Answer: B
NEW QUESTION 89
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. Only the DELETE statements are rolled back.
- B. The rollback generates an error.
- C. No SQL statements are rolled back.
- D. Only the second DELETE statement is rolled back.
- E. Both the DELETE statements and the UPDATE statement are rolled back.
Answer: B,C
NEW QUESTION 90
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTSand TIMEStables.
The PROD_IDcolumn is the foreign key in the SALEStable referencing the PRODUCTStable.
The CUST_IDand TIME_IDcolumns are also foreign keys in the SALEStable referencing the CUSTOMERS and TIMEStables, respectively.
Examine this command:
CREATE TABLE new_sales (prod_id, cust_id, order_date DEFAULT SYSDATE)
AS
SELECT prod_id, cust_id, time_id
FROM sales;
Which statement is true?
- A. The NEW_SALEStable would get created and all the NOTNULLconstraints defined on the selected columns from the SALES table would be created on the corresponding columns in the NEW_SALES table.
- B. The NEW_SALEStable would not get created because the DEFAULTvalue cannot be specified in the column definition.
- C. The NEW_SALEStable would get created and all the FOREIGNKEYconstraints defined on the selected columns from the SALES table would be created on the corresponding columns in the NEW_SALES table.
- D. The NEW_SALEStable would not get created because the column names in the CREATETABLE command and the SELECTclause do not match.
Answer: A
NEW QUESTION 91
Examine the command:
What does ON DELETE CASCADE Imply?
- A. When the books table is dropped, the BOOK_TRANSACTIONS table is dropped.
- B. When a value in the BOOKS.BOOK_ID column is deleted, the corresponding value is updated in the books transactions. BOOK_ID column.
- C. When a row in the books table is deleted, the rows in the BOOK__TRANSACTIONS table whose BOOK_ID matches that of the deleted row in the books table are also deleted.
- D. When the books table is dropped, all the rows in the BOOK_TRANSACTIONS table are deleted but the table structure is retained.
Answer: C
NEW QUESTION 92
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_charge
FROM proj_task_details p JOIN proj_task_details d
ON (p.task_id = d.task_id); - B. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p LEFT OUTER JOIN proj_task_details d
ON (p.based_on = d.task_id); - C. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p FULL OUTER JOIN proj_task_details d
ON (p.based_on = d.task_id); - D. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p JOIN proj_task_details d
ON (p.based_on = d.task_id);
Answer: B
NEW QUESTION 93
Which two statements are true about sequences created in a single instance Oracle database? (Choose two.)
- A. When a database instance shuts down abnormally, sequence numbers that have been cached but not used are available again when the instance is restarted.
- B. The numbers generated by an explicitly defined sequence can only be used to insert data in one table.
- C. When the MAXVALUE limit for a sequence is reached, it can be increased by using the ALTER SEQUENCE statement.
- D. DELETE <sequencename> would remove a sequence from the database.
- E. CURRVAL is used to refer to the most recent sequence number that has been generated for a particular sequence.
Answer: C,E
Explanation:
Explanation
http://docs.oracle.com/cd/E11882_01/server.112/e41084/statements_2012.htm#SQLRF00817
https://docs.oracle.com/cd/A84870_01/doc/server.816/a76989/ch26.htm
NEW QUESTION 94
Examine the structure of the MEMBERStable:
Name Null? Type
- --------------- ----------------- ---------------------------
MEMBER_ID NOT NULL VARCHAR2 (6)
FIRST_NAME VARCHAR2 (50)
LAST_NAME NOT NULL VARCHAR2 (50)
ADDRESS VARCHAR2 (50)
CITY VARCHAR2 (25)
STATE VARCHAR2 (3)
You want to display details of all members who reside in states starting with the letter A followed by exactly one character.
Which SQL statement must you execute?
- A. SELECT * FROM MEMBERS WHERE state LIKE '%A_';
- B. SELECT * FROM MEMBERS WHERE state LIKE 'A_';
- C. SELECT * FROM MEMBERS WHERE state LIKE 'A%';
- D. SELECT * FROM MEMBERS WHERE state LIKE 'A_%';
Answer: B
NEW QUESTION 95
Which three statements are true regarding the usage of the WITH clause in complex correlated subqueries:
(Choose three.)
- A. The query name in the WITH clause is visible to other query blocks in the WITH clause as well as to the main query block
- B. If the query block name and the table name are the same, then the table name takes precedence.
- C. The WITH clause can hold more than one query.
- D. It can be used only with the SELECT clause.
Answer: A,C,D
NEW QUESTION 96
Examine the structure proposed for the TRANSACTIONS table:
Which two statements are true regarding the storage of data in the above table structure? (Choose two.)
- A. The TRANS_DATE column would allow storage of dates only in the dd-mon-yyyy format.
- B. The CUST_STATUS column would allow storage of data up to the maximum VARCHAR2 size of
4,000 characters. - C. The TRANS_VALIDITY column would allow storage of a time interval in days, hours, minutes, and seconds.
- D. The CUST_CREDIT_VALUE column would allow storage of positive and negative integers.
Answer: C,D
NEW QUESTION 97
View the Exhibit and examine the structure of the ORDERS table.
You must select ORDER_ID and ORDER_DATE for all orders that were placed after the last order placed by CUSTOMER_ID 101.
Which query would give you the desired result?
- A. SELECT order_id, order_date FROM orders
WHERE order_date > ALL
(SELECT MAX(order_date) FROM orders ) AND customer_id = 101; - B. SELECT order_id, order_date FROM orders
WHERE order_date > IN
(SELECT order_date FROM orders WHERE customer_id = 101); - C. SELECT order_id, order_date FROM orders
WHERE order_date >
ANY
(SELECT order_date FROM orders WHERE customer_id = 101); - D. SELECT order_id, order_date FROM orders
WHERE order_date > ALL
(SELECT order_date FROM orders WHERE customer_id = 101);
Answer: D
NEW QUESTION 98
Examine the description of the BOOKS_TRANSACTIONStable:
Examine this partial SQL statement:
SELECT * FROM books_transactions
Which two WHEREconditions give the same result? (Choose two.)
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' OR member_id IN
- A. A101' OR member_id = 'A102'));
WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN - B. ('A101', 'A102'));
WHERE (borrowed_date = SYSDATE AND transaction_type = 'RM') OR member_id IN - C. ('A101', 'A102');
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' AND (member_id - D. 'A101' OR member_id = 'A102');
- E. ('A101', 'A102');
WHERE borrowed_date = SYSDATE AND (transaction_type = 'RM' AND member_id
Answer: C,E
NEW QUESTION 99
Which two actions can you perform with object privileges?
- A. Create FOREIGN KEY constraints that reference tables in other schemas.
- B. Create roles.
- C. Execute a procedure or function in another schema.
- D. Delete rows from tables in any schema except sys.
- E. Set default and temporary tablespaces for a user.
Answer: A,D
NEW QUESTION 100
Which two statements are true regarding the COUNT function? (Choose two.)
- A. COUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and NULLs in the CUST_ID column.
- B. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULLs in the INV_AMT column.
- C. COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any column.
- D. A SELECT statement using the COUNT function with a DISTINCT keyword cannot have a WHERE clause.
- E. The COUNT function can be used only for CHAR, VARCHAR2, and NUMBER data types.
Answer: B,C
NEW QUESTION 101
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 102
View the exhibit for the structure of the STUDENT and FACULTY tables.
You need to display the faculty name followed by the number of students handled by the faculty at the base location.
Examine the following two SQL statements:
Statement 1
SQL>SELECT faculty_name, COUNT(student_id)
FROM student JOIN faculty
USING (faculty_id, location_id)
GROUP BY faculty_name;
Statement 2
SQL>SELECT faculty_name, COUNT(student_id)
FROM student NATURAL JOIN faculty
GROUP BY faculty_name;
Which statement is true regarding the outcome?
- A. Both statements 1 and 2 execute successfully and give the same required result.
- B. Only statement 2 executes successfully and gives the required result.
- C. Both statements 1 and 2 execute successfully and give different results.
- D. Only statement 1 executes successfully and gives the required result.
Answer: D
NEW QUESTION 103
View the exhibit and examine the descriptions of the DEPTand LOCATIONStables.
You want to update the CITYcolumn of the DEPTtable for all the rows with the corresponding value in the CITYcolumn of the LOCATIONStable for each department.
Which SQL statement would you execute to accomplish the task?
UPDATE dept d
- A. SET city = (SELECT city
FROM locations l
WHERE d.location_id = l.location_id); - B. SET city = ALL (SELECT city
FROM locations l
WHERE d.location_id = l.location_id);
UPDATE dept d - C. SET city = ANY (SELECT city
FROM locations l)
UPDATE dept d - D. SET city = (SELECT city
FROM locations l)
WHERE d.location_id = l.location_id;
UPDATE dept d
Answer: A
NEW QUESTION 104
Which two statements are true regarding constraints? (Choose two.)
- A. The column with a UNIQUE constraint can store NULLS.
- B. You can have more than one column in a table as part of a primary key.
- C. A constraint is enforced only for an INSERT operation on a table.
- D. A foreign key cannot contain NULL values.
Answer: A,B
NEW QUESTION 105
......
Prerequisites
There are no official requirements for passing the Oracle 1Z0-071 exam. However, it is recommended that the students have a good grasp of SQL syntax rules. They also need to be able to use general SQL functions, identify the result of fundamental DDL operations, and know how to implement SQL statements and functions.
Authentic Best resources for 1z0-071 Online Practice Exam: https://www.guidetorrent.com/1z0-071-pdf-free-download.html
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