Chapter 1: The Database: The Foundations of 12c
1. How many megabytes are there in a gigabyte?
1024 megabytes
2. Why are storage factors in the computer industry expressed as a factor of 2 and not the more common 10?
Computers all run on the binary numbering system with a base of 2; thus, everything is expressed in units of storage that are powers of 2.
3. Which comes first—the table or the view?
A table is defined, and then a subset of its columns can be logically associated with a view; thus, the table comes first.
4. What is the three-fold challenge presented to modern database management technologies?
The challenge is a combination ...
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