Observe the structure of the table employees:
The table contains 8475 records.
One of the employees wants to know the names of all employees of the company. For this, he fires the following query:
SELECT * FROM EMPLOYEES ORDER BY emp_fname;
Since the operation performed on executing the query cannot fit into memory, it requires disk space to complete the operation.
Which of the following types of segments will Oracle allocate to complete the operation and to provide the required result?（）
You need to design a student registration database that contains several tables storing academic information.
The STUDENTS table stores information about a student. The STUDENT_GRADES table stores
information about the student's grades. Both of the tables have a column named STUDENT_ID. The STUDENT_ID column in the STUDENTS table is a primary key.
You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES table that
points to the STUDENT_ID column of the STUDENTS table. Which statement creates the foreign key?（）
Examine the structure of the STUDENTS table:
You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999.Which SQL statement accomplishes this task?（）
The franchisor _____ the franchisee should observe the regulations to make the business go well.
PDM includes four types of dependencies or precedence relationships:（）.The completion ofthe successor activity depends upon the initiation of the predecessor activity.
Consider the events_% tables in performance Schema.
Which two methods will clear or reset the collected events in the tables?（）
Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3;
What is the outcome of executing the above statement?（）
Examine the structure of the EMP_DEPT_VU view:
Column Name Type Remarks
EMPLOYEE_ID NUMBER From the EMPLOYEES table
EMP_NAME VARCHAR2(30) From the EMPLOYEES table JOB_ID VARCHAR2(20) From the EMPLOYEES table
SALARY NUMBER From the EMPLOYEES table
DEPARTMENT_ID NUMBER From the DEPARTMENTS table DEPT_NAME VARCHAR2(30) From the DEPARTMENTS table Which SQL statement produces an error?（）
Click the Exhibit button to examine the structures of the EMPLOYEES, DEPARTMENTS, and TAX tables.
For which situation would you use a nonequijoin query?（）
Examine the structure of the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables.
Which two SQL statements produce the name, department name, and the city of all the employees who earn more then 10000?（）
Observe the structure of the table employees:
The table contains 8475 records.
One of the employees wants to know the names of all employees of the company. For this, he fires the following query:
SELECT * FROM EMPLOYEES ORDER BY emp_fname;
Since the operation performed on executing the query cannot fit into memory, it requires disk space to complete the operation.
Which of the following types of segments will Oracle allocate to complete the operation and to provide the required result?（）
Which two SQL statements produce the name, department name, and the city of all the employees who earn more then 10000?（）
Which two SQL statements produce the name, department name, and the city of all the employees who earn more then 10000?（）
You are working in an online transaction processing (OLTP) environment. You use the FLASHBACKTABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the system change number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state. Now, you need to reverse the effects of the FLASHBACK TABLE command.
Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?（）
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