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 ( 71+ )
Otras preguntas
A researcher and students wants to study the effectiveness of a new cancer drug. To do this, they plan on injecting rats with cancerous cells and then administe
Based on what you learn about Jovian moons by watching the videos or reading the textbook, what types of evidence for recent or ongoing geological activity have
Carmen received a $100 bill as a birthday gift. She bought a book online for $24.95. Then she bought a backpack for $39.75 at a variety store. How much money di
Travis bought a share of stock for $31.50, the stock paid a dividend of $0.85, and Travis sold it six months later for $27.65. What were his dollar profit or lo
1. How does the décor of Mrs. Higgins's home differ from Henry Higgins's?
What coordinate do lines 2/3x+1/6y=2/3 and 4x+y=4 meet?
Which quote is consistent with the principle of federalism? "One of the most essential branches of … liberty is the freedom of one’s house. A man’s house is hi
Which of the following terms best describes a company that has operations in various countries, follows policies to develop local R&D to tailor products to
Which of the following statements is true? Electrons have a negative charge. The n=1 shell can hold eight electrons. The number of electrons in an atom is equal
Your objective is to design an observational study to help answer the question_______.What was the determining factor for areas that escaped the worst impacts o