nneomam2005 nneomam2005

15-06-2020
Computers and Technology

contestada

difference between primary key and foreign key

Respuesta :

simran10khatiwada simran10khatiwada

15-06-2020

Answer:

A primary key uniquely identifies a record in the relational database table, whereas a foreign key refers to the field in a table which is the primary key of another table.

Answer Link

Otras preguntas

Which of the following factors might influence a judge's decision as to how to resolve a case before him or her? A.the philosophy of judicial restraint B.the ph

When the number of marbles Jill has is subtracted from 20, the result is the same as adding 16 to the number of marbles. How many marbles does Jill have? Is it

A 34.87 g sample of a substance is initially at 27.1 C. after absorbing 1071 J of heat, the temperature of the substance is 145.0 C. what is the specific heat (

What number completes both equation? 1/4÷7=? ?×7=1/4

A memorable quote from homer p figg

PLEASE HELP; Part 1 Iris made a large model of a butterfly. The actual butterfly has a body length of 3 inches and and wing span of 8 inches. The wing span in t

Albert photograph has an area of 80 square inches the length of the photo is 1 1/4 the width which of the following to be the dimensions of the photograph

The velocity in meters per second of a ball that is dropped from a window at a height of 10.5 meters is represented by the equation V= Estimate the velocity of

Is a marshmallow turning black when toasted a physical or chemical change?

Which of the following was created by the Banking Act of 1933? A. Social Security B. unemployment insurance C. Federal Deposit Insurance Corporation D. balanced