SebiZ6801 SebiZ6801
  • 15-12-2022
  • English
contestada

given the following relation book (book isbn, author num, date published). assume a book can be written by many authors and an author can write many books. what would be appropriate primary key? a. book isbn b. book isbn, author num c. auth num d. none of the above

Respuesta :

Otras preguntas

Please answer quickly please please please will be awarded
Historians must have certain qualities of character, such as: impatience accuracy honesty bias
Cuántos años tienes tú? ¿Tienes una familia grande o pequeña? ¿Cómo es tu familia? ¿Tienes hermanos? Si tienes hermanos, ¿cómo se llaman? ¿Cuántos años tiene tu
Four workers are hired to seed afield by hand. Each is given q plot which is 9times 11 feet in size. What is the total area of the field
234/100 in simplest form
cape horn is the southerneastmost tip of south america true or false
should secret wiretapping be legal?
name the place value to which each number was rounded 6.493 to 6
I have a question for english here it is Thomas went to school, but he had not studied. Which shows the best way to change this compound sentence into two simpl
Rewrite 41/7 as a mixed number