jjjjjj2588 jjjjjj2588
  • 01-07-2017
  • History
contestada

Contrast foreign key and primary key

Respuesta :

countingstarz0304
countingstarz0304 countingstarz0304
  • 06-07-2017
A primary key is a combination of fields that specifically identify a record in a table, so that an separate record can be found without confusion.
While a foreign key is a key used to link two tables together.
Answer Link

Otras preguntas

(2x^0/4x^-2y^4)^2 Write your answer using only positive exponents.
Which of the Federal Reserve's measures of the monetary aggregates M1 or M2, is composed of the most liquid assets? Which is the larger measure?O M1; M2O M2;M2O
A rectangle has a perimeter of 42 feet and a height of 14 feet. What is the length of the base?
At which joint do the scapula and humerus meet? a. Hip b. Wrist c. Shoulder d. Elbow
Solve 3x2 + 6x + 15 = 0
Use the image to answer the question. What linear inequality is shown graphed on the number line? Make sure to write your inequality so that x comes first. Note
I need help pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Read the excerpt from Robert Yates’s notes from the Constitutional Convention on June 11, 1787. Mr. Wilson was of opinion, and therefore moved, that the mode o
A perfume is to be mixed in the ratio of 5 drops of pure essence to 7 drops of alcohol. How many drops of pure essence should be mixed with 42 drops of alcohol?
Use words to write this expression.