Blog

What does this query do? SELECT S.Name, S.Major FROM STUDENT S WHERE NOT EXISTS ( SELECT * FROM GRADE_REPORT G WHERE G.StudentNum=S.StudentNum AND G.Grade=’E’);  

Given the relations R={a, b, c}, S={b, d}, R – S yields a relation containing:

Given the relations R={a, b, c}, S={b, d}, R U S yields a relation containing:

What does this expression mean/do?              Dno [F] average(salary)(Employee)

The medical abbreviation for vital signs is?

LOC refers to level loss of consciousness.

The medical abbreviation for weight is________?

UA refers to Upper Abdomen

UE means Upper Extremity

The medical abbreviation for wheelchair is _________?