How-To Geek on MSN

You need to know the difference between a range and an array in Excel

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...
Ars Technica

Difference between a spreadsheet and a database?

I was just thinking about this: fundamentally, what is the difference between a spreadsheet file with many sheets (technically, isn't it a relational database?) and an SQL DB?<BR><BR>There has to be ...