[Jan-2024] 1z0-071 Braindumps – 1z0-071 Questions to Get Better Grades
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NEW QUESTION # 153
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 positional notation instead of the column name should be used with the ORDER BY clause.
- B. 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.
- C. The statement would execute successfully and display all the rows in the ascending order of DEPARTMENT_ID.
- D. The statement would execute successfully but it will ignore the ORDER BY clause and display the rows in random order.
Answer: B
NEW QUESTION # 154
View the Exhibit and examine the structure of the PRODUCTS table.
You must display the category with the maximum number of items.
You issue this query:
What is the result?
- A. It generates an error because = is not valid and should be replaced by the IN operator.
- B. It generate an error because the subquery does not have a GROUP BY clause.
- C. It executes successfully and gives the correct output.
- D. It executes successfully but does not give the correct output.
Answer: B
NEW QUESTION # 155
Which three are true about the CREATE TABLE command?
- A. It implicitly rolls back any pending transactions.
- B. It implicitly executes a commit.
- C. A user must have the CREATE ANY TABLE privilege to create tables.
- D. The owner of the table should have space quota available on the tablespace where the table is defined.
- E. It can include the CREATE...INDEX statement for creating an index to enforce the primary key constraint.
- F. The owner of the table must have the UNLIMITED TABLESPACE system privilege.
Answer: B,D,E
NEW QUESTION # 156
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. Both the statement given the same output.
- D. Statement 1 returns only one row of output.
- E. Statement 2 may return multiple rows of output.
Answer: D,E
NEW QUESTION # 157
Which CREATE TABLE statement is valid?
- A. Option C
- B. Option A
- C. Option D
- D. Option B
Answer: C
NEW QUESTION # 158
View the exhibits and examine the structures of the COSTSand PROMOTIONStables.
Evaluate the following SQL statement:
SQL> 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 would be the outcome of the above SQL statement?
- A. It displays prod IDs in the promos with the lowest cost in the same time interval.
- B. It displays prod IDs in the promos with the highest cost in the same time interval.
- C. It displays prod IDs in the promo with the lowest cost.
- D. It displays prod IDs in the promos which cost less than the highest cost in the same time interval.
Answer: D
NEW QUESTION # 159
Examine the structure of the members table:
What is the outcome?
- A. It executes successfully and displays the column details in three separate columns and replaces only the last column heading with the alias.
- B. It fails because the alias name specified after the column names is invalid.
- C. It executes successfully and displays the column details in a single column with only the alias column heading.
- D. It fails because the space specified in single quotation marks after the first two column names is invalid.
Answer: A
NEW QUESTION # 160
Examine the structure of the MEMBERS table:
Examine the SQL statement:
SQL > SELECT city, last_name LNAME FROM MEMBERS ORDER BY 1, LNAME DESC; What would be the result execution? (Choose the best answer.)
- A. It fails because a column number and a column alias cannot be used together in the ORDER BY clause.
- B. It displays all cities in ascending order, within which the last names are further sorted in descending order.
- C. It fails because a column alias cannot be used in the ORDER BY clause.
- D. It displays all cities in descending order, within which the last names are further sorted in descending order.
Answer: B
NEW QUESTION # 161
Which two statements best describe the benefits of using the WITH clause? (Choose two.)
- A. It enables sessions to store the results of a query permanently.
- B. It enables sessions to reuse the same query block in a SELECT statement, if it occurs more than once in a complex query.
- C. It enables sessions to store a query block permanently in memory and use it to create complex queries.
- D. It can improve the performance of a large query by storing the result of a query block having the WITH clause in the session's temporary tablespace.
Answer: B,D
NEW QUESTION # 162
Examine the commands used to create the DEPARTMENT_DETAILS and the COURSE- DETAILS tables:
SQL> CREATE TABLE DEPARTMfiNT_DeTAILS
DEPARTMENT_ID NUMBER PRIMARY KEY ,
DEPARTMEHT_NAME VARCHAR2(50) ,
HOD VARCHAP2(50));
SQL> CREATE TABLE COURSE-DETAILS
(COURSE ID NUMBER PRIMARY KEY ,
COURS_NAME VARCHAR2 (50) ,
DEPARTMEHT_ID NUMBER REFERENCES DEPARTMENT_DETAIL
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 LEFT OUTER JOIN course_details c ON (d.department___id).- (DEPARTMENT_ID) ;
- B. SELECT d.department_id, c. course_id FROM dapartment_details d RIGHT OUTER JOIN course_dotails c ON (c.depattnient_id=d.department_id) ;
- C. SELECT d.departranc_id, c.course_id FROM cource_deatils c LEFT OUTER JOIN departmnt_details d ON (c.dapartmsnt_id=d.departtnent_id);
- D. SELECT d.department id. ccours_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id);
Answer: A
NEW QUESTION # 163
Which three statements are true? (Choose three.)
- A. The data dictionary is created and maintained by the database administrator.
- B. Data dictionary views consist of joins of dictionary base tables and user-defined tables.
- C. The usernames of all users including database administrators are stored in the data dictionary.
- D. The USER_CONS_COLUMNS view should be queried to find the names of columns to which constraints apply.
- E. Views with the same name but different prefixes, such as DBA, ALL and USER, reference the same base tables from the data dictionary.
- F. Both USER_OBJECTS and CAT views provide the same information about all objects that are owned by the user.
Answer: C,D,E
Explanation:
https://docs.oracle.com/cd/B10501_01/server.920/a96524/c05dicti.htm
NEW QUESTION # 164
View the Exhibit and examine the structure of the PRODUCT table.
Which two tasks would require subqueries? (Choose two.)
- A. display the total number of products supplied by supplier 102 and have product status as 'OBSOLETE'
- B. display suppliers whose PROD_LIST_PRICE is less than 1000
- 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 # 165
Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.)
- A. The outer query continues evaluating the result set of the inner query until all the values in the result set are processed.
- B. It is used to test whether the values retrieved by the inner query exist in the result of the outer query.
- C. The outer query stops evaluating the result set of the inner query when the first value is found.
- D. It is used to test whether the values retrieved by the outer query exist in the result set of the inner query.
Answer: C,D
Explanation:
http://www.techonthenet.com/oracle/exists.php
NEW QUESTION # 166
You and your colleague Andrew have these privileges on the EMPLOYEE_RECORDS table:
1. SELECT
2. INSERT
3. UPDATE
4. DELETE
You connect to the database instance an perform an update to some of the rows in
EMPLOYEE_RECORDS, but don't commit yet.
Andrew connects to the database instance and queries the table
No othet user are accessing the table
Which two statements ate true at this point?
- A. Andrew will be able to SELECT from the table, but be unable to modify any existing rows.
- B. Andrew will be able to modify any rows in the table that have not been modified by your transaction
- C. Andrew will be unable to see the changes you have made
- D. Andrew will be able to see the changes you habe made
- E. Andrew will be unable to perform any INSERT, UPDATE of DELETE on the teble
Answer: B,C
NEW QUESTION # 167
Examine the data in the CUST_NAME column of the CUSTOMERS table.
You want to extract only those customer names that have three names and display the * symbol in place of the first name as follows:
Which two queries give the required output?
- A. SELECT LPAD(SUBSTR(cust_name, INSTR(cust_name, ' ')),LENGTH(cust_name),'*') "CUST NAME"FROM customersWHERE INSTR(cust_name, ' ',1,2)<>0;
- B. SELECT LPAD(SUBSTR(cust_name, INSTR (cust_name ' ')),LENGTH(cust_name) - INSTR(cust_name, ' '), '*') "CUST NAME"FROM customersWHERE INSTR(cust_name, ' ',1,-2)<>0;
- C. SELECT LPAD(SUBSTR(cust_name, INSTR (cust_name ' ')),LENGTH(cust_name) - INSTR(cust_name, ' '), '*') "CUST NAME"FROM customersWHERE INSTR(cust_name, ' ',1,2)<>0;
- D. SELECT LPAD(SUBSTR(cust_name, INSTR(cust_name, ' ')),LENGTH(cust_name),'*') "CUST NAME"FROM customersWHERE INSTR(cust_name, ' ',-1,2)<>0;
Answer: A,D
NEW QUESTION # 168
View the Exhibit and examine the structure of the PRODUCT table.
Which two tasks would require subqueries? (Choose two.)
- A. display the total number of products supplied by supplier 102 and have product status as 'OBSOLETE'
- B. display suppliers whose PROD_LIST_PRICE is less than 1000
- 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 # 169
Which two statements will convert the string Hello world to ello wozid?
- A. SELECT LOWER(TRIM('H' FROM 'Hello World')) FROM DUAL;
- B. SELECT SUBSTR('Hello world', 2) FROM DUAL;
- C. SELECT LOWER (SUBSTR('Hello World', 2)) FROM DUAL;
- D. SELECT LOWER (SUBSTR('Hello World, 2, 1)) FROM DUAL;
- E. SELECT INITCAP(TRIM('H' FROM 'Hello World')) FROM DUAL;
Answer: A,C
NEW QUESTION # 170
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. DELETEFROM ordersWHERE (SELECT order_idFROM order_items);
- B. DELETE order_idFROM ordersWHERE order_total < 1000;
- C. DELETE ordersWHERE order_total < 1000;
- D. DELETE orders o, order_items iWHERE o.order_id = i.order_id;
Answer: C
NEW QUESTION # 171
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