[Feb-2024] Updated and Accurate 1z0-071 Questions & Answers for passing the exam Quickly
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The Oracle Database SQL certification exam consists of 73 questions that must be answered within 100 minutes. Test-takers can register for the exam online and may take it at a Pearson VUE testing center or remotely through an online proctoring system. 1z0-071 exam evaluates candidates on various topics, including SQL schema manipulation, data retrieval, and manipulation, and database management. A passing score of 63% is required to earn the certification, which is valid for three years.
Oracle 1z0-071 (Oracle Database SQL) Exam is an essential certification exam for IT professionals who want to demonstrate their expertise in SQL programming and Oracle database management. Passing 1z0-071 exam validates the candidate's skills and knowledge in database management, database design, and application development. It is a valuable asset for IT professionals who want to advance their careers in database management and administration.
NEW QUESTION # 177
Which three statements are true about GLOBAL TEMPORARY TABLES?
- A. A GLOBAL TEMPORARY TABLE's definition is available to multiple sessions.
- B. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- C. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
- D. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
- E. A TRUNCATE command issued in a session causes all rows In a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
- F. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
Answer: A,E,F
NEW QUESTION # 178
Examine the structure of the BOOKS_ TRANSACTIONS table:
Examine the SQL statement:
Which statement is true about the outcome?
- A. It displays details for members who have borrowed before today with RM as TRANSACTION_TYPE and the details for members A101 or A102.
- B. It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE.
- C. 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.
- D. It displays details for only members A101and A102 who have borrowed before today with RM as TRANSACTION_TYPE.
Answer: B
NEW QUESTION # 179
You must create a SALES table with these column specifications and data types:
SALESID: Number
STOREID: Number
ITEMID: Number
QTY: Number, should be set to 1 when no value is specified
SLSDATE: Date, should be set to current date when no value is specified
PAYMENT: Characters up to 30 characters, should be set to CASH when no value is specified
Which statement would create the table? (Choose the best answer.)
- A. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT 1,slsdate DATE DEFAULT SYSDATE,payment VARCHAR2(30) DEFAULT 'CASH');
- B. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT = 1,slsdate DATE DEFAULT SYSDATE,payment VARCHAR2(30) DEFAULT = "CASH");
- C. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT 1,slsdate DATE DEFAULT 'SYSDATE',payment VARCHAR2(30) DEFAULT CASH);
- D. CREATE TABLE sales(salesid NUMBER(4),storeid NUMBER(4),itemid NUMBER(4),qty NUMBER DEFAULT = 1,slsdate DATE DEFAULT SYSDATE,payment VARCHAR2(30) DEFAULT = "CASH");
Answer: A
NEW QUESTION # 180
Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.
Which set operator generates the required output?
- A. INTERSECT
- B. UNION
- C. MINUS
- D. PLUS
- E. SUBTRACT
Answer: C
Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm
NEW QUESTION # 181
Examine the description of the ORDER_ITEMStable:
Examine this incomplete query:
Which two can replace <clause> so the query completes successfully? (Choose two.)
- A. quantity * unit_price
- B. total_paid
- C. product_id
- D. quantity, unit_price
- E. quantity
Answer: A,B
Explanation:
Sample
SELECT tr_sub.cur_tt, tr_sub.item, sum(tr.quantity), sum(tr.quantity*tr.unit_price) FROM (SELECT tr1.transaction_time as cur_tt, max(tr2.transaction_time) as prev_tt, tr1.item as item, IF (tr1.unit_price=tr2.unit_price, tr1.unit_price, tr2.unit_price) as t_p FROM transactions tr1 LEFT JOIN transactions tr2 ON tr1.transaction_time>=tr2.transaction_time AND tr1.item=tr2.item GROUP BY tr1.item, tr1.transaction_time, t_p Reference: https://stackoverflow.com/questions/50771172/sql-query-get-total-value-based-on-different-unit- price-quantity-at-different-ti
NEW QUESTION # 182
You issued this command: DROP TABLE hr. employees;
Which three statements are true?
- A. Synonyms for HR EMPLOYEES are dropped.
- B. All indexes defined on HR, EMPLOYEES are dropped.
- C. The HR. EMPLOYEES table may be moved to the recycle bin.
- D. Sequences used to populate columns in the HR. EMPLOYEES table are dropped.
- E. ALL constraints defined on HR, EMPLOYEES are dropped.
- F. Views referencing HR, EMPLOYEES are dropped.
Answer: B,C,E
NEW QUESTION # 183
Evaluate the following two queries:
Which statement is true regarding the above two queries?
- A. Performance would degrade in query 2.
- B. Performance would improve in query 2 only if there are null values in the CUST_CREDIT_LIMIT column.
- C. There would be no change in performance.
- D. Performance would improve in query 2.
Answer: C
NEW QUESTION # 184
Which two statements are true regarding constraints? (Choose two.)
- A. Constraints are enforced only during INSERToperations.
- B. All constraints can be defined at the table or column level.
- C. A column with a FOREIGN KEYconstraint can never contain a NULL value.
- D. A column with a UNIQUEconstraint can contain a NULL value.
- E. A constraint can be disabled even if the constrained column contains data.
Answer: D,E
NEW QUESTION # 185
View the Exhibit and examine the structure of the PRODUCT table.
Which two tasks would require subqueries? (Choose two.)
- A. display suppliers whose PROD_LIST_PRICE is less than 1000
- B. display the total number of products supplied by supplier 102 and have product status as 'OBSOLETE'
- C. display the minimum PROD_LIST_PRICE for each product status
- D. display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE.
- E. display all products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
Answer: D,E
NEW QUESTION # 186
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 remain disabled and can be re-enabled manually.
- C. It will remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.
- D. It will be enabled and deferred.
Answer: B
NEW QUESTION # 187
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> ANY (SELECT promo_begin_dateFROM promotionsWHERE promo_category= 'INTERNET');
- B. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date IN (SELECT promo_begin_dateFROM promotionsWHERE promo_category= 'INTERNET');
- C. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date > ALL (SELECT promo_begin_dateFROM promotionsWHERE promo_category = 'INTERNET');
- D. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date> ALL (SELECT MAX (promo_begin_date)FROM promotions) ANDpromo_category= 'INTERNET';
Answer: C
NEW QUESTION # 188
View the Exhibit and examine the structure of the CUSTOMERS table.
Evaluate the following SQL statement:
Which statement is true regarding the outcome of the above query?
- A. It executes successfully.
- B. It returns an error because the BETWEEN operator cannot be used in the HAVING clause.
- C. It returns an error because WHERE and HAVING clauses cannot be used in the same SELECT statement.
- D. It returns an error because WHERE and HAVING clauses cannot be used to apply conditions on the same column.
Answer: A
NEW QUESTION # 189
Which two are true about the MERGE statement?
- A. The WHEN NOT MATCHED clause can be used to specify the inserts to be performed.
- B. The WHEN NOT MATCHED clause can be used to specify the updates to be performed.
- C. The WHEN NOT MATCHED clause can be used to specify the deletions to be performed.
- D. The WHEN MATCHED clause can be used to specify the inserts to be performed.
- E. The WHEN MATCHED clause can be used to specify the updates to be performed.
Answer: A,E
NEW QUESTION # 190
Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS:
SQL>CREATE TABLE DEPARTMENT_DETAILS
( DEPARTMENT_ID NUMBER PRIMARY KEY,
DEPARTMENT_NAME VARCHAR2(50),
HOD VARCHAR2(50));
SQL>CREATE TABLE COURSE_DETAILS
(COURSE_ID NUMBER PRIMARY KEY,
COURSE_NAME VARCHAR2(50),
DEPARTMENT_ID VARCHAR2(50));
You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?
- A. SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id=c. department_id);
- B. SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department_id=c. department_id);
- C. SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (c.department_id=d. department_id);
- D. SELECT d.department_id, c.course_id FROM course_details c LEFT OUTER JOIN department_details d ON (c.department_id=d. department_id);
Answer: B
NEW QUESTION # 191
Examine these statements:
CREATE TABLE alter_test (c1 VARCHAR2(10), c2 NUMBER(10));
INSERT INTO alter_test VALUES ('123', 123);
COMMIT;
Which is true ahout modifyIng the columns in AITER_TEST?
- A. c2 can be changed to NUMBER(5) but c1 cannot be changed to VARCHAN2 (5).
- B. c2 can be changed to VARCHAR2(10) but c1 cannot be changed to NUMBER (10).
- C. c1 can be changed to NUMBER(10) but c2 cannot be changed to VARCHAN2 (10).
- D. c1 can be changed to NUMBER(10) and c2 can be changed to VARCHAN2 (10).
- E. c1 can be changed to VARCHAR2(5) and c2 can be changed to NUMBER (12,2).
Answer: E
NEW QUESTION # 192
View the Exhibit and examine the structure of the SALES and PRODUCTS tables. (Choose two.)
In the SALES table, PROD_ID is the foreign key referencing PROD_ID in the PRODUCTS table. You must list each product ID and the number of times it has been sold.
Examine this query which is missing a JOIN operator:
SQL > SELECT p.prod_id, count(s.prod_id)
FROM products p ______________ sales s
ON p.prod_id = s.prod_id
GROUP BY p.prod_id;
Which two JOIN operations can be used to obtain the required output?
- A. JOIN
- B. FULL OUTER JOIN
- C. RIGHT OUTER JOIN
- D. LEFT OUETR JOIN
Answer: B,D
NEW QUESTION # 193
Which two are true about transactions in the Oracle Database?
- A. DDL statements automatically commit only data dictionary updates caused by executing the DDL.
- B. DML statements always start new transactions.
- C. A session can see uncommitted updates made by the same user in a different session
- D. A DDL statement issued by a session with an uncommitted transation automaticall commits that transaction.
- E. An uncommitted transaction is automatically committed when the user exits SQL*PLUS
Answer: D,E
NEW QUESTION # 194
View the Exhibit and examine the structure of the CUSTOMERS table.
You want to generate a report showing the last names and credit limits of all customers whose last names start with A, B, or C, and credit limit is below 10,000.
Evaluate the following two queries:
SQL> SELECT cust_last_name, cust_credit_limit FROM customers
WHERE (UPPER(cust_last_name) LIKE 'A%' OR
UPPER (cust_last_name) LIKE 'B%' OR UPPER (cust_last_name) LIKE 'C%')
AND cust_credit_limit < 10000;
SQL>SELECT cust_last_name, cust_credit_limit FROM customers
WHERE UPPER (cust_last_name) BETWEEN 'A' AND 'C'
AND cust_credit_limit < 10000;
Which statement is true regarding the execution of the above queries?
- A. Both execute successfully but do not give the required result
- B. Only the first query gives the correct result
- C. Only the second query gives the correct result
- D. Both execute successfully and give the same result
Answer: B
NEW QUESTION # 195
What is true about non-equijoin statement performance?
- A. Table aliases can improve performance.
- B. The join syntax used makes no difference to performance.
- C. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.
- D. The BETWEEN condition always performs better than using the >= and <= conditions.
- E. The BETWEEN condition always performs less well than using the >= and <= conditions.
Answer: A,B
NEW QUESTION # 196
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