Which of the following is true about database queries?

a: queries can only be used once and need to be recreated each time new data is entered.
b: queries can use only data from one table at a time.
c: queries are always saved and can therefore be run on the most up-to-date database information.
d: queries consistently display the results from the first time it was run.

What makes myhexadecimalnumber a child of mynumber? which methods does myhexadecimalnumber inherit directly from the mynumber class? what can an instance of the mynumber class do? what can an instance of the myhexadecimalnumber class do? which methods are overridden? why are they overridden? how many examples of overloading are there? why was this done? where is the super keyword used? what is it doing? why isn’t the incoming value set immediately in the second myhexadecimalnumber constructor? how many examples can you find of an inherited method being called?

Effective character encoding requires standardized code. compatible browsers. common languages. identical operating systems.

Each row in a database is a set of unique information called a(n) ? a.) table. b.) record. c.) object. d.) field.