Which of the following is true about relational database query?

A. One can work with two or more tables and Relational database queries rely on keys that connect tables.
B. One may query tables that are connected by either join or relate.
C. Relational database queries rely on keys that connect tables.
D. All of these are correct
E. One can work with two or more tables.


Answer: D

Environmental & Atmospheric Sciences

You might also like to view...

Is a linear sea floor feature that has the following properties a transform fault, a fracture zone, or neither? It is seismically inactive, it occurs between offset mid-ocean ridge segments, and the relative movement between two points on either side

of the feature is in the same direction. A) Transform fault B) Fracture zone C) Neither

Environmental & Atmospheric Sciences

Nations that tend to have the greatest environmental impacts are those with the lowest population

growth rates. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Which two gases make up a combined total of 99% of clean, dry air in the homosphere?

A) carbon dioxide and water vapor B) nitrogen and oxygen C) oxygen and carbon dioxide D) nitrogen and argon

Environmental & Atmospheric Sciences

Which of the following has the largest percentage of cholesterol and cholesterol esters?

A) chylomicrons B) HDL C) LDL D) VLDL

Environmental & Atmospheric Sciences