Distruction between the third and fourth generation of computer

Ibelieve the answer is: b.  use a different transition for every slide to keep the audience's attentiona. that would make it boringc. sound effects might be distracting and some people might find it annoyingi hope that : ) 

You didn't specify any column names, or if you're looking for a sql answer, so with some assumptions, you could write: select * from mytable where mycolumn> =3000