If you see plus signs (+) next to records in Datasheet view then you know that two or more tables are related

What is the distinction between the virtualization approach advocated by Xen and the style of microkernel advocated by the Exokernel project? In your answer, highlight two things they have in common and two distinguishing characteristics between the approaches.

What will be an ideal response?

Which sampling technique is usually the most important to the systems analyst?

A) random sampling B) systematic sampling C) stratified sampling D) cluster sampling