You are given this table: Registration SID CourseID SemID Instructor Grade 282712 ENGL210 201701 H. Zacny B+ 362112 CS101 201701 K. Ross C 652123 CS403 201701 K. Ross A 362112 CS403 201701 K. Smith C+ 282712 BIO101 201601 I. Olsen C What will the result of the following query be? select sid, count(*) from registration group by sid Select one: a. The entire table sorted by sid b. No results due to an error c. 282712 2 362112 2 652123 1 d. 282712 1 362112 1 652123
You are given this table: Registration SID CourseID SemID Instructor Grade 282712 ENGL210 201701 H. Zacny B+ 362112 CS101 201701 K. Ross C 652123 CS403 201701 K. Ross A 362112 CS403 201701 K. Smith C+ 282712 BIO101 201601 I. Olsen C What will the result of the following query be? select sid, count(*) from registration group by sid Select one: a. The entire table sorted by sid b. No results due to an error c. 282712 2 362112 2 652123 1 d. 282712 1 362112 1 652123
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
You are given this table:
RegistrationSID | CourseID | SemID | Instructor | Grade |
---|---|---|---|---|
282712 | ENGL210 | 201701 | H. Zacny | B+ |
362112 | CS101 | 201701 | K. Ross | C |
652123 | CS403 | 201701 | K. Ross | A |
362112 | CS403 | 201701 | K. Smith | C+ |
282712 | BIO101 | 201601 | I. Olsen | C |
What will the result of the following query be?
select sid, count(*)
from registration
group by sid
Select one:
a.
The entire table sorted by sid
b.
No results due to an error
c.
282712 2
362112 2
652123 1
d.
282712 1
362112 1
652123 1
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