[Oct 31, 2021] ExamCost 1z0-071 dumps & Oracle PL/SQL Developer Certified Associate sure practice dumps
Oracle 1z0-071 Actual Questions and Braindumps
NEW QUESTION 140
Which three statements are true about indexes and their administration in an Oracle database?
- A. A UNIQUE and non-unique index can be created on the same table column
- B. An index can be created as part of a CREATE TABLE statement.
- C. A descending index is a type of function-based index
- D. If a query filters on an indexed column then it will always be used during execution of the query
- E. A DROP INDEX statement always prevents updates to the table during the drop operation
- F. An INVISIBLE index is not maintained when Data Manipulation Language (DML) is performed on its underlying table.
Answer: B,C,E
NEW QUESTION 141
View the exhibit and examine the description of the DEPARTMENTS and EMPLOYEES tables.
You wrote this SQL statement to retrieve EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, for all employees:
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 DEPARTMENTS table is not used before the EMPLOYEES table in the FROM clause.
- B. The table prefix is missing for the column names in the SELECT clause.
- C. The EMPLOYEES and DEPARTMENTS tables have more than one column with the same column name and data type.
Natural join needs only one column to be the same in each table. The EMPLOYEES and DEPARTMENTS tables have two columns that are the same (Department_ID and Manager_ID) - D. The NATURAL JOIN clause is missing the USING clause.
Answer: C
NEW QUESTION 142
Examine the structure of the SHIPMENTS table:
You want to generate a report that displays the PO_IDand the penalty amount to be paid if the SHIPMENT_DATEis later than one month from the PO_DATE. The penalty is $20 per day.
Evaluate the following two queries:
Which statement is true regarding the above commands?
- A. Only the first query executes successfully and gives the correct result.
- B. Both execute successfully and give correct results.
- C. Only the second query executes successfully but gives a wrong result.
- D. Only the first query executes successfully but gives a wrong result.
- E. Only the second query executes successfully and gives the correct result.
Answer: A
NEW QUESTION 143
View the exhibits and examine the structures of the COSTS and PROMOTIONS tables.
Evaluate the following SQL statement:
What would be the outcome of the above SQL statement?
- A. It displays prod IDs in the promos with the highest cost in the same time interval.
- B. It displays prod IDs in the promo with the lowest cost.
- C. It displays prod IDs in the promos with the lowest cost in the same time interval.
- D. It displays prod IDs in the promos which cost less than the highest cost in the same time interval.
Answer: D
NEW QUESTION 144
Examine these SQL statements that are executed in the given order:
What will be the status of the foreign key EMP_MGR_FK?
- A. It will be enabled and immediate.
- B. It will be enabled and deferred.
- C. It will remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.
- D. It will remain disabled and can be re-enabled manually.
Answer: D
NEW QUESTION 145
Which two queries execute successfully?
- A. SELECT INTERVAL '1' DAY - INTERVAL '1' MINUTE FROM DUAL;
- B. SELECT SYSDATE "INTERRVAL '1' DAY FROM DUAL;
- C. SELECT INTERVAL '1' DAY - SYSDATE FROM DUAL;
- D. SELECT SYSTIMESTAMP + INTERVAL '1' DAY FROM DUAL;
- E. select INTERVAL '1' DAY +INTERVAL '1' MONTH FROM DUAL;
Answer: A,D
NEW QUESTION 146
Using the CUSTOMERStable, you need to generate a report that shows 50% of each credit amount in each income level. The report should NOT show any repeated credit amounts in each income level.
Which query would give the required result?
- A. SELECT DISTINCT cust_income_level, DISTINCT cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
- B. SELECT cust_income_level, DISTINCT cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers
- C. SELECT cust_income_level || ' ' || cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
- D. SELECT DISTINCT cust_income_level || ' ' || cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
Answer: D
NEW QUESTION 147
View the Exhibit and examine the structure of the PROMOTIONS table.
Evaluate the following SQL statement:
Which statement is true regarding the outcome of the above query?
- A. It shows COST_REMARK for all the promos in the promo category 'TV'.
- B. It produces an error because subqueries cannot be used with the CASE expression.
- C. It shows COST_REMARK for all the promos in the table.
- D. It produces an error because the subquery gives an error.
Answer: C
NEW QUESTION 148
Evaluate the following query:
What would be the outcome of the above query?
- A. It produces an error because flower braces have been used.
- B. It produces an error because the data types are not matching.
- C. It executes successfully and introduces an 's at the end of each promo_name in the output.
- D. It executes successfully and displays the literal " {'s start date was \> " for each row in the output.
Answer: C
NEW QUESTION 149
You need to list the employees in DEPARTMENT_ID20 days in a single row, ordered by HIRE_DATE.
Examine the sample output:
Which query will provide the required output?
SELECT LISTAGG(last_name)
- A. WITHIN GROUP ORDER BY (hire_date) "Emp_list", MIN(hire_date) "Earliest" FROM employees WHERE department_id = 30; SELECT LISTAGG(last_name, '; ')
- B. FROM employees
WHERE department_id = 30;
ORDER BY (hire_date); - C. WITHIN GROUP ORDER BY (hire_date) "Emp_list", MIN(hire_date) "Earliest" FROM employees WHERE department_id = 30; SELECT LISTAGG(last_name, '; ') "Emp_list", MIN(hire_date) "Earliest"
- D. FROM employees
WHERE department_id = 30;
WITHIN GROUP ORDER BY (hire_date);
SELECT LISTAGG(last_name, '; ') "Emp_list", MIN(hire_date) "Earliest"
Answer: C
NEW QUESTION 150
Examine the structure of the BOOKS_ TRANSACTIONS table:
Examine the SQL statement:
Which statement is true about the outcome?
- A. It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE.
- B. It displays details for members who have borrowed before today's date with either RM as TRANSACTION_TYPE or MEMBER_ID as A101 and A102.
- C. It displays details for members who have borrowed before today with RM as TRANSACTION_TYPE and the details for members A101 or A102.
- D. It displays details for only members A101and A102 who have borrowed before today with RM as TRANSACTION_TYPE.
Answer: A
NEW QUESTION 151
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 customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL;
- B. MODIFY customer_id CONSTRAINT orders_cust_nn NOT NULL (customer_id);
ALTER TABLE orders - C. MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
ALTER TABLE orders - D. ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
ALTER TABLE orders
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 152
Examine the description of the CUSTONERS table
CUSTON is the PRIMARY KEY.
You must derermine if any customers'derails have entered more than once using a different
costno,by listing duplicate name
Which two methode can you use to get the requlred resuit?
- A. seif join
- B. SUBQUERY
- C. RIGHT OUTER JOIN with seif join
- D. LEFT OUTER JOIN with seif join
- E. FULL OUTER JOIN with seif join
Answer: A,B
NEW QUESTION 153
You must create a table EMPLOYEES in which the values in the columns EMPLOYEES_ID and LOGIN_ID must be unique and not null.
Which two SQL statements would create the required table? (Choose two.)
- A. CREATE TABLE employees
(employee_id NUMBER,
Login_id NUMBER,
Employee_name VARCHAR2(100),
Hire_date DATE,
CONSTRAINT emp_id_ukUNIQUE (employee_id, login_id)); - B. CREATE TABLE employees
(employee_id NUMBER CONSTRAINT emp_id_pk PRIMARY KEY,
Login_id NUMBER UNIQUE,
Employee_name VARCHAR2(25),
Hire_date DATE); - C. CREATE TABLE employees
(employee_id NUMBER CONSTRAINT emp_id_nn NOT NULL,
Login_id NUMBER CONSTRAINT login_id_nn NOT NULL,
Employee_name VARCHAR2(100),
Hire_date DATE,
CONSTRAINT emp_id_ukUNIQUE (employee_id, login_id)); - D. CREATE TABLE employees
(employee_id NUMBER,
Login_id NUMBER,
Employee_name VARCHAR2(100),
Hire_date DATE,
CONSTRAINT emp_id_uk UNIQUE (employee_id, login_id);
CONSTRAINT emp_id_nn NOT NULL (employee_id, login_id)); - E. CREATE TABLE employees
(employee_id NUMBER,
login_id NUMBER,
employee_name VARCHAR2(25),
hire_date DATE,
CONSTRAINT emp_id_pk PRIMARY KEY (employee_id, login_id));
Answer: C,E
NEW QUESTION 154
which three statements are true about indexes and their administration in an Oracle database?
- A. IF a query filters on an indexed column then it will always be used during execution of query
- B. The same table column can be part of a unique and non-unique index
- C. AN INVISIBLE INDEX is not maintained when DML is performed on its underlying table.
- D. A DESCENDING INDEX IS A type of function-based index
- E. A DROP INDEX statement always prevents updates to the table during the drop operation
- F. AN INDEX CAN BE CREATED AS part of a CREATE TABLE statement
Answer: D,E,F
NEW QUESTION 155
Which two are true about global temporary tables?
- A. They can be created only by a user with the DBA role,but can be accessed by all users who can create a session.
- B. Indexes can be created on them.
- C. If the ON COMMIT clause Is transaction-specific, all rows in the table are deleted alter each COMMIT or ROLLBACK.
- D. If the ON COMMIT clause is session-specific,the table is dropped when the session is terminated.
- E. Backup and recovery operations are available for these tables.
- F. Their data is always stored in the default temporary tablespace of the user who created them.
Answer: C,D
NEW QUESTION 156
Which three statements are true about the Oracle join and ANSI Join syntax?
- A. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.
- B. The Oracle join syntax supports natural joins.
- C. The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables.
- D. The Oracle join syntax supports creation of a Cartesian product of two tables.
- E. The Oracle join syntax only supports right outer joins,
- F. The SQL:1999 compliant ANSI join syntax supports natural joins.
- G. The Oracle join syntax performs less well than the SQL:1999 compliant ANSI Join Answer.
Answer: C,D,F
NEW QUESTION 157
The EMPLOYEES table contains columns EMP_IDof data type NUMBERand HIRE_DATEof data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORYparameter is set to AMERICAin the session and, therefore, Sunday is the first day of the week.
Which query can be used?
SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
- A. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
- B. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
- C.
- D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;
Answer: B
Explanation:
Explanation/Reference: http://www.dba-oracle.com/t_add_months.htm
NEW QUESTION 158
View the Exhibit and examine the structure of ORDERS and ORDER_ITEMS tables.
ORDER_ID is the primary key in the ORDERS table and the foreign key of the ORDER_ITEMS table, whose constraint is defined with the ON DELETE CASCADE option.
Which DELETE statement would execute successfully?
- A. DELETE ordersWHERE order_total < 1000;
- B. DELETE orders o, order_items iWHERE o.order_id = i.order_id;
- C. DELETEFROM ordersWHERE (SELECT order_idFROM order_items);
- D. DELETE order_idFROM ordersWHERE order_total < 1000;
Answer: A
NEW QUESTION 159
Which statements are true? (Choose all that apply.)
- A. The data dictionary is created and maintained by the database administrator.
- B. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary.
- C. The data dictionary views consists of joins of dictionary base tables and user-defined tables.
- D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies.
- E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user.
- F. The usernames of all the users including the database administrators are stored in the data dictionary.
Answer: B,D,F
Explanation:
Explanation
References:
https://docs.oracle.com/cd/B10501_01/server.920/a96524/c05dicti.htm
NEW QUESTION 160
View the Exhibit and examine the structure of the EMP table which is not partitioned and not an index- organized table. (Choose two.)
Evaluate this SQL statement:
ALTER TABLE emp
DROP COLUMN first_name;
Which two statements are true?
- A. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided the CASCADE option is added to the SQL statement.
- B. The FIRST_NAME column would be dropped provided it does not contain any data.
- C. The FIRST_NAME column would be dropped provided at least one column remains in the table.
- D. The drop of the FIRST_NAME column can be rolled back provided the SET UNUSED option is added to the SQL statement.
Answer: C
NEW QUESTION 161
......
Details for 1Z0-071
The 1Z0-071 exam contains about 78 questions and takes 2 hours for the applicants to complete all of them. There are mainly multiple-choice questions that cover a huge list of topics that include the following:
- Controlling User Access;
- Restricting and Sorting Data;
- Managing Data in Different Time Zones;
- Using Conditional Expressions as well as Conversion Functions;
- Managing Tables and their Relationships by Using DML and DDL.
- Relational Database Concepts;
Therefore, the first thing a responsible candidate should do is find a complete list of exam topics on the official Oracle webpage. Insofar as to be the Oracle Database SQL certified you must demonstrate a solid knowledge of how to model data and skills in using the SQL language to create and manipulate tables in the Oracle Database.
The passing score for this exam is 63%. It is even possible to take it in Spanish, not only the English language is available. To register for the test, simply go to your account at Pearson VUE and select your exam and don’t forget that you need to buy a voucher from the Oracle site. Follow the instructions to complete the registration process. The 1Z0-071 exam will cost you $245.
Thus, check the Oracle website first, as this vendor offers a full training program that includes more than 17 hours of expert training and credible material, namely:
- After more than 15 hours of intensive training with expert Oracle instructors, candidates will be asked to take a short course: Prepare for Oracle Database SQL Certification. Its main purpose is to prepare students in detail for the exam process, including specifics of performance and preparation, as well as information on how to approach questions, take the exam online and get the results. With these short lectures, you'll have no more questions about the test-writing procedure, allowing you to concentrate fully on your preparation.
- Oracle Database 19c: SQL Workshop. The enhanced course curriculum will introduce students to the Oracle Database 19c technology and its features. As you progress through the sections, you will become increasingly immersed in understanding the concepts of relational databases and the powerful SQL programming language. In addition, at the end of the program, students will be given a sound understanding of how to use SQL when working with databases, namely manipulating data in tables, creating database objects, and writing queries to tables. After that, practice classes will not only help you feel confident during the 1Z0-071 exam but also immediately apply the skills of using SQL and the Oracle Database 19c in everyday workflows.
Meanwhile, if you have no time constraints and are serious about your prep process, check out the books and study guides available on the Amazon website.
- ‘Study Guide for 1Z0-071: Oracle Database 12c SQL: Oracle Certification Prep’ by Matthew Morris, written by an author of multiple Oracle Database certification prep guides and an OCE badge holder in Oracle SQL direction. Then an Oracle expert like him can cover all of the exam topics in a concise manner and prepare future administrators for Oracle Database SQL Certified Associate certification. Thus, in this study edition, you will learn everything about applying the SQL language when working with Oracle Database products, from restricting and sorting data to using DDL to manage tables and their relationships. In other words, by ordering this book in the Kindle or Paperback version, you will get a true Oracle Database 12c administrator's guide of how to use SQL and will gain knowledge both for writing the Oracle 1Z0-071 exam and performing daily tasks.
- ‘OCA Oracle Database SQL Exam Guide (Exam 1Z0-071) (Oracle Press) 1st Edition’ by Steve O'Hearn, one more reference manual designed both for preparation for the Oracle Database SQL Certified Associate certification and for the daily completion of the tasks related to Oracle Database products. The material covers every topic of the Oracle 1Z0-071 exam, including hierarchical retrieval, regular expression support, and user access control. Moreover, by ordering the book you get not only a bare theory but also detailed explanations, lively examples, and realistic questions. And, along with this guide, you will be given access to two practice exams that are fully aligned with the live exam format. You can purchase its Kindle version or the print edition.
So, the choice is yours, but in any case, plan your preparation beforehand and check the official sources first to grab the opportunity to save a lot of time and write the final test with flying colors.
Latest 1z0-071 Pass Guaranteed Exam Dumps with Accurate & Updated Questions: https://www.examcost.com/1z0-071-practice-exam.html
Pass 1z0-071 Exam with Updated 1z0-071 Exam Dumps PDF 2021: https://drive.google.com/open?id=1YdWkKAI713K7JNX2jP7Lealc7E2RgHgC
