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 ( 35+ )
Otras preguntas
How many unique 4-letter “words” Can you form from the letter in MACHINE?
Find the number of degrees moved by the minute hand of a clock in the given amount of time.2/3 hour
What is the missing step in solving the inequality 4(x – 3) + 4 < 10 + 6x? 1. The distributive property: 4x – 12 + 4 < 10 + 6x 2. Combine like terms: 4x
Use trigonometric identities to rewrite the equation sec0/csc0=1 (picture provided)
Find the center, vertices, and foci of the ellipse with equation 2x2 + 8y2 = 16. A) Center: (0, 0); Vertices: the point zero comma negative two square root two
que hace que un consumidor se convierta en un contribuyente y una cisterna en manantial bible question
find the surface area of a prism
A cylinder has a volume of 72 cubic inches. What is the volume of a cone with the same height and radius as the cylinder? Show all work
what is the simple average of these two velocities (0m/s, 0.4m/s)
What set of coordinates does not describe a function?