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Introduction to ORACLE 1Z0-071 Certification Exam
The Oracle certification program is a worldwide program and there is a network of many different types of certifications available from Oracle. The 1Z0-071 exam is the first exam in the SQL Practice certification track. This track is meant for people who plan to build their career in SQL administration and want to specialize in managing the RDBMS with Oracle Community Platform, Enterprise Edition.
ORACLE 1Z0-071 Certification Exam is a certification exam for Oracle Database Administration, DBA. Oracle Database Administration, DBA certification proves that applicants have the skills and detailed knowledge needed to manage a company database resources. It is an important credential in the IT industry as it shows competencies of job positions such as application developers, database administrators, and IT managers. This is an online test preloaded with multiple-choice questions which are all included in Oracle 1Z0-071 Dumps. You have to select actual and relevant answers. Prepare yourself for this exam Guide by practicing with this assessment of the top websites to prepare for the 1Z0-071 exam.
NEW QUESTION 71
Examine the commands used to createDEPARTMENT_DETAILS andCOURSE_DETAILS:
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)
B)
C)
D)
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: A
NEW QUESTION 72
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> ALL (SELECT MAX (promo_begin_date)FROM promotions) ANDpromo_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> ANY (SELECT promo_begin_dateFROM promotionsWHERE promo_category= 'INTERNET');
Answer: C
NEW QUESTION 73
Examine the structure of the INVOICE table.
Which two SQL statements would execute successfully? (Choose two.)
- A. SELECT inv_no,NVL2(inv_date,sysdate-inv_date,sysdate)FROM invoice;
- B. SELECT inv_no,NVL2(inv_date,'Pending','Incomplete')FROM invoice;
- C. SELECT inv_no,NVL2(inv_amt,inv_date,'Not Available')FROM invoice;
- D. SELECT inv_no,NVL2(inv_amt,inv_amt*.25,'Not Available')FROM invoice;
Answer: A,B
NEW QUESTION 74
View the exhibit and examine the description for the SALESand CHANNELStables.
You issued this SQL statement:
Which statement is true regarding the result?
- A. The statement will execute and a new row will be inserted in the SALEStable.
- B. The statement will fail because the VALUESclause is not required with a subquery.
- C. The statement will fail because the subquery in the VALUESclause is not enclosed within single quotation marks.
- D. The statement will fail because a subquery cannot be used in a VALUESclause.
Answer: A
NEW QUESTION 75
Which two are true about queries using set operators such as UNION?
- A. CHAR columns of different lengths used with a set operator retum a vAacsua mhtoe e equals the longest CHAR value.
- B. All set operators are valid on columns all data types.
- C. An expression in the first SELECT list must have a column alias for the expression
- D. Queries using set operators do not perform implicit conversion across data type groups (e.g. character, numeric)
- E. In a query containing multiple set operators INTERSECT always takes precedence over UNION and UNION ALL
Answer: B,D
NEW QUESTION 76
Which two tasks can be performed by using Oracle SQL statements? (Choose two.)
- A. querying data from tables in different databases
- B. starting up a database instance
- C. executing operating system (OS) commands in a session
- D. connecting to a database instance
- E. changing the password for an existing database user
Answer: A,E
Explanation:
http://www.techonthenet.com/oracle/password.php
https://docs.oracle.com/cd/B28359_01/server.111/b28324/tdpii_distdbs.htm
NEW QUESTION 77
Evaluate the following query:
What would be the outcome of the above query?
- A. It executes successfully and introduces an 's at the end of each promo_name in the output.
- B. It produces an error because the data types are not matching.
- C. It produces an error because flower braces have been used.
- D. It executes successfully and displays the literal " {'s start date was \> " for each row in the output.
Answer: A
NEW QUESTION 78
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. PUBLIC should be replaced with specific usernames.
- B. Separate GRANT statements are required for the ORDERS and ORDER_ITEMS tables.
- C. ALL should be replaced with a list of specific privileges.
- D. WITH GRANT OPTION should be added to the statement.
Answer: B
Explanation:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html
NEW QUESTION 79
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. PLUS
- B. INTERSECT
- C. MINUS
- D. UNION
- E. SUBTRACT
Answer: C
Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm
NEW QUESTION 80
Which three actions can you perform by using the ALTER TABLE command?
- A. Drop all columns simultaneously from a table.
- B. Drop pseudocolumns from a table.
- C. Lock a set of rows in a table.
- D. Restrict all DML statements on a table.
- E. Enable or disable constraints on a table.
- F. Rename a table.
Answer: A,E,F
NEW QUESTION 81
Which two are true about dropping columns from a table?
- A. A column that is referenced by another column in any other table cannot be dropped.
- B. A column drop is implicitly committed.
- C. Multiple columns can be dropped simultaneously using the ALTER TABLE command.
- D. A column can be removed only if it contains no data.
- E. A primary key column cannot be dropped.
- F. A column must be set as unused before it is dropped from a table.
Answer: A,B,C
NEW QUESTION 82
View the exhibit and examine the description of the EMPLOYEES table. (Choose two.)
You executed this SQL statement:
SELECT first_name, department_id, salary
FROM employees
ORDER BY department_id, first_name, salary desc;
Which two statements are true regarding the result? (Choose two.)
- A. The values in all columns would be returned in descending order.
- B. The values in the SALARY column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID column.
- C. The values in the SALARY column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID and FIRST_NAME column.
- D. The values in the FIRST_NAME column would be returned in descending order for all employees having the same value in the DEPARTMENT_ID column.
- E. The values in the FIRST_NAME column would be returned in ascending order for all employees having the same value in the DEPARTMENT_ID column.
Answer: C,E
NEW QUESTION 83
Evaluate the following ALTER TABLE statement:
ALTER TABLE orders SET UNUSED order_date; Which statement is true?
- A. The DESCRIBE command would still display the ORDER_DATE column.
- B. The ORDER_DATE column should be empty for the ALTER TABLE command to execute successfully.
- C. After executing the ALTER TABLE command, you can add a new column called ORDER_DATE to the ORDERS table.
- D. ROLLBACK can be used to get back the ORDER_DATE column in the ORDERS table.
Answer: C
NEW QUESTION 84
View the Exhibit and examine the structure of the PRODUCT_INFORMATION and INVENTORIES tables.
You have a requirement from the supplies department to give a list containing PRODUCT_ID, SUPPLIER_ID, and QUANTITY_ON_HAND for all the products wherein QUANTITY_ON_HAND is less than five.
Which two SQL statements can accomplish the task? (Choose two.)
- A. SELECT i.product_id, i.quantity_on_hand, pi.supplier_idFROM product_information pi JOIN inventories iON (pi.product_id=i.product_id) AND quantity_on_hand < 5;
- B. SELECT product_id, quantity_on_hand, supplier_idFROM
product_informationNATURAL JOIN inventories AND quantity_on_hand < 5; - C. SELECT i.product_id, i.quantity_on_hand, pi.supplier_idFROM product_information pi JOIN inventories iON (pi.product_id=i.product_id)USING (product_id) AND quantity_on_hand < 5;
- D. SELECT i.product_id, i.quantity_on_hand, pi.supplier_idFROM product_information pi JOIN inventories iON (pi.product_id=i.product_id)WHERE quantity_on_hand < 5;
Answer: A,D
NEW QUESTION 85
Which three statements are true about performing DML operations on a view with no Instead of triggers defined?
- A. Views cannot be used to query rows from an underlying table if the table has a PRIMARY KEY and the PRIMARY KEY columns are not referenced in the defining query of the view.
- B. Insert statements can always be done on a table through a view.
- C. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword.
- D. Delete statements can always be done on a table tough a view.
- E. WITH CHECK clause has no effect when deleting rows from the underlying table through the view.
- F. Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.
Answer: A,C,F
NEW QUESTION 86
View the Exhibit and examine the structure of the EMPLOYEES and JOB_HISTORY tables.
Examine this query which must select the employee IDs of all the employees who have held the job SA_MAN at any time during their employment.
SELECT EMPLOYEE_ID
FROM EMPLOYEES
WHERE JOB_ID = 'SA_MAN'
-------------------------------------
SELECT EMPLOYEE_ID
FROM JOB_HISTORY
WHERE JOB_ID = 'SA_MAN';
Choose two correct SET operators which would cause the query to return the desired result.
- A. INTERSECT
- B. UNION
- C. UNION ALL
- D. MINUS
Answer: B,C
Explanation:
Explanation/Reference:
NEW QUESTION 87
View the Exhibit and examine the structure of the EMPLOYEES and JOB_HISTORY tables.
Examine this query which must select the employee IDs of all the employees who have held the job SA_MAN at any time during their employment.
SELECT EMPLOYEE_ID
FROM EMPLOYEES
WHERE JOB_ID = 'SA_MAN'
-------------------------------------
SELECT EMPLOYEE_ID
FROM JOB_HISTORY
WHERE JOB_ID = 'SA_MAN';
Choose two correct SET operators which would cause the query to return the desired result.
- A. INTERSECT
- B. UNION
- C. UNION ALL
- D. MINUS
Answer: B,C
NEW QUESTION 88
When does a transaction complete? (Choose all that apply.)
- A. When a data definition language statement is executed
- B. When a PL/SQL anonymous block is executed
- C. When a TRUNCATE statement is executed after the pending transaction
- D. When a ROLLBACK command is executed
- E. When a DELETE statement is executed
Answer: A,C,D
NEW QUESTION 89
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTSand TIMEStables.
The PROD_IDcolumn is the foreign key in the SALEStable, which references the PRODUCTStable.
Similarly, the CUST_IDand TIME_IDcolumns are also foreign keys in the SALEStable referencing the CUSTOMERSand TIMEStables, respectively.
Evaluate the following CREATE TABLEcommand:
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 regarding the above command?
- A. The NEW_SALEStable would get created and all the FOREIGNKEYconstraints defined on the specified columns would be passed to the new table.
- B. The NEW_SALEStable would not get created because the column names in the CREATETABLE command and the SELECTclause do not match.
- C. The NEW_SALEStable would not get created because the DEFAULTvalue cannot be specified in the column definition.
- D. The NEW_SALEStable would get created and all the NOTNULLconstraints defined on the specified columns would be passed to the new table.
Answer: D
NEW QUESTION 90
In the EMPLOYEEStable there are 1000 rows and employees are working in the company for more than 10 years.
Evaluate the following SQL statement:
What would be the result?
- A. It executes successfully and updates the records of those employees who have been working in the company for more than 600 days.
- B. It executes successfully but no rows updated.
- C. It gives an error because multiple NVLfunctions are used in an expression.
- D. It gives an error because NVLfunction cannot be used with UPDATE.
Answer: A
NEW QUESTION 91
......
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