jjjjjj2588
jjjjjj2588
01-07-2017
History
contestada
Contrast foreign key and primary key
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
Given the reaction:HCl(aq) + LiOH(aq) → HOH(ℓ) + LiCl(aq)The reaction is best described as(1) neutralization(2) synthesis(3) decomposition(4) oxidation-reductio
What is a bibliography??
An atom of potassium-37 and an atom of potassium-42 differ in their total number of (1) electrons (3) protons (2) neutrons (4) positrons
is 5.1 greater than 5.01
A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm? A. 0.08 mm B. 0.8 mm C. 8 mm D. 8
In the giver what values does the books society embrace and encourage
When can a person infected with HIV expect to notice symptoms of the virus?
Which statement describes a chemical property of the element magnesium? (1) Magnesium is malleable. (2) Magnesium conducts electricity. (3) Magnesium reacts wit
What is the total number of electrons shared in a double covalent bond between two atoms? (1) 1 (3) 8 (2) 2 (4) 4
An atom of potassium-37 and an atom of potassium-42 differ in their total number of (1) electrons (3) protons (2) neutrons (4) positrons
