Online Access Free Oracle.1z0-071.v2022-02-07.q334 Practice Test (Page 45)

1z0-071 Exam Question 216

Which three statements are true about performing DML operations on a view with no Instead of triggers defined?

A.Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword.

B.WITH CHECK clause has no effect when deleting rows from the underlying table through the view.

C.Insert statements can always be done on a table through a view.

D.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.

E.Delete statements can always be done on a table tough a 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.

1z0-071 Exam Question 217

Examine the description of the EMPLOYEES table:

Which two queries return rows for employees whose manager works in a different department?

A.SELECT emp.*
FROM employees emp
WHERE NOT EXISTS (
SELECT NULL
FROM employees mgr
WHERE emp.manager id = mgr.employee_ id
AND emp.department_id<>mgr.department_id
);

B.SELECT emp. *
FROM employees emp
WHERE manager_ id NOT IN (
SELECT mgr.employee_ id
FROM employees mgr
WHERE emp. department_ id < > mgr.department_ id
);

C.SELECT emp. *
FROM employees emp
JOIN employees mgr
ON emp. manager_ id = mgr. employee_ id
AND emp. department_ id<> mgr.department_ id;

D.SELECT emp. *
FROM employees emp
RIGHT JOIN employees mgr
ON emp.manager_ id = mgr. employee id
AND emp. department id <> mgr.department_ id
WHERE emp. employee_ id IS NOT NULL;

E.SELECT emp.*
FROM employees emp
LEFT JOIN employees mgr
ON emp.manager_ id = mgr.employee_ id
AND emp. department id < > mgr. department_ id;

1z0-071 Exam Question 218

You have the privileges to create any type of synonym.
Which stalement will create a synonym called EMP for the HCM.EMPLOYEE_RECORDS table that is accesible to all users?

A.CREATE SYNONYM SYS.emp FOR hcm.employee_records;

B.CREATE SYNONYM PUBLIC.emp FOR hcm.employee_records;

C.CREATE SYNONYM emp FOR hcm.employee_records;

D.CREATE PUBLIC SYNONYM emp FOR hcm. employee_records;

E.CREATE GLOBAL SYNONYM emp FOR hcm.employee_records;

1z0-071 Exam Question 219

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 not get created because the column names in the CREATETABLEcommand and the SELECTclause do not match.

B.The NEW_SALEStable would get created and all the FOREIGNKEYconstraints defined on the specified columns would be passed to the new table.

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.

1z0-071 Exam Question 220

You need to allow user ANDREW to:
1. Modify the TITLE and ADDRESS columns of your CUSTOMERS table.
2. GRANT tha permission to other users.
Which statement will do this?

A.GRANT UPDATE (title, address) ON customers TO andrew WITH GRANT OPTION;

B.GRANT UPDATE ON customers.title, customers.address TO andrew WITH ADMIN OPTION;

C.GRANT UPDATE (title, address) ON customers TO andrew WITH ADMIN OPTION;

D.GRANT UPDATE ON customers. title, customers.address TO andrew WITH GRANT OPTION;

E.GRANT UPDATE (title, address) ON customers TO andrew;

F.GRANT UPDATE ON customers. title, customers.address TO andrew;

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1z0-071 Exam Question 216

1z0-071 Exam Question 217

1z0-071 Exam Question 218

1z0-071 Exam Question 219

1z0-071 Exam Question 220

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