Which of the following DB tools allow the user to execute an SQL statement and view a graphical representation of the access plan?

  1. Task Center

  2. Command Editor

  3. Developer Workbench

  4. Command Line Processor


Correct Option: B

AI Explanation

To answer this question, you need to understand the different DB tools and their functionalities. Let's go through each option to understand why it is correct or incorrect:

Option A) Task Center - Task Center is a tool used for managing and scheduling database tasks. It does not provide the functionality to execute SQL statements or view graphical representations of access plans. Therefore, this option is incorrect.

Option B) Command Editor - The Command Editor is a tool that allows users to execute SQL statements and view a graphical representation of the access plan. This tool is commonly used in database management systems (DBMS) to interact with the database. Therefore, this option is correct.

Option C) Developer Workbench - Developer Workbench is a tool that provides a graphical interface for developers to design, develop, and manage databases. However, it does not specifically mention the capability to execute SQL statements or view graphical representations of access plans. Therefore, this option is incorrect.

Option D) Command Line Processor - The Command Line Processor is a tool that allows users to execute SQL statements via a command-line interface. It does not provide a graphical representation of the access plan. Therefore, this option is incorrect.

The correct answer is Option B) Command Editor. This option is correct because it allows the user to execute an SQL statement and view a graphical representation of the access plan.

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