Make 5 back by subject of the database (ER-model, standard form)

Databases & SQL — incorrectly specified categories?

9 USD

Project translated automatically. Log in or register, to view the original 1 .We have a student and grade table (1:N), write SQL code to create a grade table.Create only the necessary attributes and the correct submission to the cardinality of 1:N (primary key, external student key).You have three tables - STUDENT(id_student, name, surname), STUDYING(id_student, id_subject), SUBJECT (id_subject, subject_name, faculty ), write in SQL select to select all the names and names of students who entered the faculty = KIV.(Primary and external keys) ThreeE-R - The company has employees, each employee can work on several projects, and each employee has its own role in each project.Each employee can have several roles in the project.Each role is supported by a separate contract.In addition, a monthly report is issued with a description of each contract and the time spent on this project.4 .ER-diagram – a travel certificate.The company has a few cars, a few drivers.Having one car, one driver can make several trips a day.The travel list also contains more trips for a greater number of days.The task was to develop an ER model so that it was possible to determine how much tax to be paid for a trip (the tax is paid for one day and one car).5. bring to 3 normal shapes, photo in fixed All tasks can be done on paper.

Proposals 2 Rejected 1

Vova Stasyuk

4 0

Projects 4
Rating -
Rating 205

Budget: 400 UAH Deadline: 1 day

I can do the first two tasks. I can do the first two tasks. 200 grn

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Hleb Hnatsiuk
Plzen, Czech Republic

Projects 5
Rating -
Rating 204

Make 5 back by subject of the database (ER-model, standard form)

Vova Stasyuk

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