Explain the difference between external, internal, and conceptual schemas. How are these different schema layers related to the concepts of logical and physical data independence?

In a cellular network each cell is controlled by a tower what are these towers called?

What can you find the under the privacy policy section of a shopping website?

Click on this link toopens a new window. bring up a flowchart in a new browser window. based on this flowchart, would a d-link 3347 gateway with an xbox 360 multiplayer problem be in scope or out of scope