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 ( 97+ )
Otras preguntas
“Oh, I would never dream of assuming I know all Hogwarts’ secrets, Igor. Only this morning, for instance, I took a wrong turn on the way to the bathroom and fou
Triangle ABC is given. What is the measure, in degrees, of ∠A?
What part of Mexico declared its independence in 1836, and wanted to join the United States, but was denied, because it would become a "slave state?" Yucatan C
Asking for help again
given that sin(x+4)=cos(3x)find tan(x+40)to 4 s.f.
Find the area of each composite figure. Round to the nearest TENTH if necessary.
A 28 year old woman, 18 weeks pregnant following a one-night stand unprotected sexual encounter, went to her doctor after 36 hours of headache, fever, nausea, a
Convert 1.4 x 1024 molecules of H2O to grams of H20.
What is lunar eclipse?
The diagram shows the floor plan of a hotel lobby. The carpet that she wants to buy for that floor costs $3 per square foot. How much will it cost to carpet the
