Where are the default cell styles located?

Give an example of a schedule produced by a read-only multiversion concurrency control in which the read/write transactions serialize in commit order while the read-only transactions serialize in a different order.

What will be an ideal response?

The difference between a shape that is Hidden and one that is Collapsed is:

a) A Collapsed shape does not take up space. b) A Hidden shape has a clickable tab to reveal it. c) A Collapsed shape expands when the mouse is over it. d) Both a. and b.