Answer:
The correct answer is C. Sometimes.
Explanation:
A database index is a structure that aims to speed up selections and selective operations on a database. An index reduces the number of comparisons required to find one or more database records. This avoids having to perform a so-called full table scan, whereby all records in the table have to be run through sequentially.
Therefore, if the search does not focus correctly on the necessary data, this search will not always determine the index of the goal. Therefore, the user must correctly handle the search keywords to collaborate with the system.
Answer:
After an extruded feature has been created, you can always go back and edit the feature. When you edit an existing extrude feature, <u>the shape of the sketch profile</u> cannot be changed from the Extrude Property Manager.
<u>Extrude PropertyManager</u>
A tool that is used to draw different sketch. The sketches are related to different fields. Extrude property manager is used to edit the sketch, delete some objects form the sketch but we cannot edit the shape of the sketch profile.
<em>In this tool we can edit every thing but cannot edit the shape of the sketch profile.</em>
