You are given the following tables:CourseCourseID Description CreditsCS101 Computer Science I 3CS201 Elementary Data Structures 3ENGL210 Technical Writing 3RegistrationSID CourseID SemID Instructor Grade282712 ENGL210 201701 H. Zacny B+362112 CS101 201701 K. Ross CWhat would the following SQL Select statement produce for output?select course.description, registration.SID,registration.gradefrom registration right join courseon registration.courseID = course.courseIDSelect one:a.Computer Science I 362112 Cb.Computer Science I 362112 CTechnical Writing 28212 B+c.Computer Science I 362112 CElementary Data Structures null nullTechnical Writing 28212 B+d.No results due to syntax errorClear my choiceSkip Quiz navigationQuiz navigationQuestion1Question2Question3Question4Question5Question6Question7Question8Question9Question10Question11Question12Question13Question14Question15Question16Question17Question18Question19Question20Question21Question22Question23Question24Question25Question26Question27Question28Question29Question30Question31Question32Question33Question34Question35Question36Question37Question38Question39Question40Question41Question42Question43Question44Question45Question46This pageQuestion47This pageQuestion48This pageQuestion49This pageQuestion50This page
Question
You are given the following tables:CourseCourseID Description CreditsCS101 Computer Science I 3CS201 Elementary Data Structures 3ENGL210 Technical Writing 3RegistrationSID CourseID SemID Instructor Grade282712 ENGL210 201701 H. Zacny B+362112 CS101 201701 K. Ross CWhat would the following SQL Select statement produce for output?select course.description, registration.SID,registration.gradefrom registration right join courseon registration.courseID = course.courseIDSelect one:a.Computer Science I 362112 Cb.Computer Science I 362112 CTechnical Writing 28212 B+c.Computer Science I 362112 CElementary Data Structures null nullTechnical Writing 28212 B+d.No results due to syntax errorClear my choiceSkip Quiz navigationQuiz navigationQuestion1Question2Question3Question4Question5Question6Question7Question8Question9Question10Question11Question12Question13Question14Question15Question16Question17Question18Question19Question20Question21Question22Question23Question24Question25Question26Question27Question28Question29Question30Question31Question32Question33Question34Question35Question36Question37Question38Question39Question40Question41Question42Question43Question44Question45Question46This pageQuestion47This pageQuestion48This pageQuestion49This pageQuestion50This page
Solution
The correct answer is c. Computer Science I 362112 C, Elementary Data Structures null null, Technical Writing 282712 B+.
Here's the step by step explanation:
The SQL statement is performing a right join on the tables 'registration' and 'course' based on the 'courseID'. A right join returns all the records from the right table (course), and the matched records from the left table (registration). If there is no match, the result is NULL on the left side.
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The first row of the 'course' table (CS101, Computer Science I, 3) matches with the second row of the 'registration' table (362112, CS101, 201701, K. Ross, C). So, the first line of the output is 'Computer Science I 362112 C'.
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The second row of the 'course' table (CS201, Elementary Data Structures, 3) does not have a match in the 'registration' table. So, the second line of the output is 'Elementary Data Structures null null'.
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You are given the following tables:CourseCourseID Description CreditsCS101 Computer Science I 3CS201 Elementary Data Structures 3ENGL210 Technical Writing 3RegistrationSID CourseID SemID Instructor Grade282712 ENGL210 201701 H. Zacny B+362112 CS101 201701 K. Ross C652123 CS403 201603 K. Ross AStudentSID Lname Fname Major986223 Smith Janet Chemistry362112 Williams Henry Computer Science282712 Jones John English LiteratureWhat would the following SQL Select statement produce for output?select course.Description,registration.SID,registration.grade, student.lnamefrom registrationinner join courseon registration.courseID = course.courseIDinner join student on registration.sid = student.sidSelect one:a.No output, since this query cannot be performedb.Technical Writing 282712 B+ Jonesc.Technical Writing 282712 B+ JonesComputer Science I 362112 Williams Cd.Technical Writing 282712 B+ JonesComputer Science I 362112 Williams CNull 652123 Null A
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