The Following Query Returns a Single Number as a Total

question 23

Multiple Choice

The following query returns a single number as a total (or sum) of all blocks,used by all datafiles in the database: ____.

• A) SELECT TOTAL(BLOCKS)FROM DBA_DATA_FILES;
• B) SELECT SUM(BLOCKS)FROM DBA_DATA_FILES;
• C) SELECT AVG(BLOCKS)FROM DBA_DATA_FILES;
• D) SELECT COUNT(BLOCKS)FROM DBA_DATA_FILES;

---

Definitions:

Web

A vast network of information connected through hyperlinks, allowing for the easy navigation and access to data across the internet.

Information Movement

The process of transferring data from one location, system, or format to another, which is fundamental to information technology and communications systems.

Work Procedures

Work Procedures are systematic instructions compiled by an organization to help workers carry out complex routine operations, aiming to achieve efficiency, quality output, and uniformity of performance.

Internet Connection

The means by which individuals or organizations access the Internet, using technologies like DSL, cable modem, Fiber, or wireless.