Computers and Technology, 16.04.2020 18:40 emilymariec4036
Consider the following relations: Course (cid:string, cname: string, dept: string) Student (sid: integer, sname: string, gpa: string, dept: string) Enroll (sid: integer, cid: string, grade: string)The meaning of these relations is straightforward and the keys are underlined. Write the following queries in SQL.
Find the number of students not enrolled in any class.
Find name of students in ‘Math’ department who took all the courses offered by ‘Computer Science’ department.
Answers: 2
Computers and Technology, 22.06.2019 08:00
Someone with this coz i don’t really know what i can choose, just pick whatever u want. homework - you need to choose a website that you like or use frequently. you must visit the website and discuss 6 different features/parts/aspects of the website that you think makes it good. (100 words)
Answers: 2
Computers and Technology, 22.06.2019 19:20
Write a program that reads a file consisting of students’ test scores in the range 0–200. it should then determine the number of students having scores in each of the following ranges: 0–24, 25–49, 50–74, 75–99, 100–124, 125–149, 150–174, and 175–200. output the score ranges and the number of students. (run your program with the following input data: 76, 89, 150, 135, 200, 76, 12, 100, 150, 28, 178, 189, 167, 200, 175, 150, 87, 99, 129, 149, 176, 200, 87, 35, 157, 189.)
Answers: 3
Computers and Technology, 22.06.2019 19:20
Amedian in the road will be marked with a white sign that has a black arrow going to the left of the median. true false
Answers: 1
Computers and Technology, 22.06.2019 21:50
Answer the following questions regarding your system by using the commands listed in this chapter. for each question, write the command you used to obtain the answer. a. what are the total number of inodes in the root filesystem? how many are currently utilized? how many are available for use? b. what filesystems are currently mounted on your system? c. what filesystems are available to be mounted on your system? d. what filesystems will be automatically mounted at boot time?
Answers: 1
Consider the following relations: Course (cid:string, cname: string, dept: string) Student (sid: int...
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