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问题

Observe the structure of the table em

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?（）

A Rollback segment
B Temporary segment
C Data segment
D Index segment

参考答案

参考解析：

分类：1Z0-053题库

1、Examine the structure of the EMPLOYEE

Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEESColumn name Data type RemarksEMPLOYEE_ID NUMBER NOT NULL, Primary KeyEMP_NA...

2、Examine the structure of the STUDENTS

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?（）ABCD

3、Examine the structure of the EMPLOYEE

Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)Which three statements insert ...

4、Examine the structure of the EMPLOYEE

Examine the structure of the EMPLOYEES table:EMPLOYEE_ID NUMBER Primary KeyFIRST_NAME VARCHAR2(25)LAST_NAME VARCHAR2(25)HIRE_DATE DATEWhich UPDATE stat...

5、Examine the structure of the EMPLOYEE

Examine the structure of the EMPLOYEES table:You need to create an index called NAME_IDX on the first name and last name fields of the EMPLOY...

6、Examine the structure of the EMPLOYEE

Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:Which UPDATE statement is valid?（）ABCD

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