CSCI 2910 Database Quiz - Spring 2007 - Prof. David L. Tarnoff, Quizzes of Computer Science

A database quiz for the csci 2910 course, focusing on mysql select statements and queries. The quiz includes questions about completing select statements to retrieve specific employee records based on last name, as well as questions about queries on an exam scores table. Useful for university students taking a database course and is most likely associated with the typology of 'quizzes'.

Typology: Quizzes

Pre 2010

Uploaded on 08/18/2009

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CSCI 2910 Database Part 2 Quiz – Spring 2007 Name: ________________________________
For problems 1, 2, and 3 use the partial MySQL statement shown below:
SELECT * FROM employee WHERE LAST_NAME _________________
1. What needs to be put in the blank in order to get the select statement to return a list of employees
from the employee table with a LAST_NAME starting with 'T'?
2. What needs to be put in the blank in order to get the select statement to return a list of employees
from the employee table with a LAST_NAME where the 2nd and 3rd letters are 'a' and 'w'
respectively?
3. What needs to be put in the blank in order to get the select statement to return a list of employees
from the employee table with a LAST_NAME exactly equal to "Smith"?
4. Describe the problem with performing a select query across multiple tables without using a where
clause.
For problems 5, 6, and 7, use the database table shown to the
right. Assume that the table's name is "exam_scores".
5. In the space below, write the output from the MySQL statement
select STUDENT_NAME from exam_scores where SCORE > 80;
6. What would the output be from the MySQL statement
select STUDENT_NAME, SCORE+5 from exam_scores;
7. What would the output be from the MySQL statement select * from exam_scores limit 2;
STUDENT_NAME SCORE
John Johnson 78
Kenneth Kennedy 92
David Davis 88

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CSCI 2910 Database Part 2 Quiz – Spring 2007 Name: ________________________________

For problems 1, 2, and 3 use the partial MySQL statement shown below:

_SELECT * FROM employee WHERE LAST_NAME __________________

  1. What needs to be put in the blank in order to get the select statement to return a list of employees from the employee table with a LAST_NAME starting with 'T'?
  2. What needs to be put in the blank in order to get the select statement to return a list of employees from the employee table with a LAST_NAME where the 2nd and 3rd letters are 'a' and 'w' respectively?
  3. What needs to be put in the blank in order to get the select statement to return a list of employees from the employee table with a LAST_NAME exactly equal to "Smith"?
  4. Describe the problem with performing a select query across multiple tables without using a where clause.

For problems 5, 6, and 7, use the database table shown to the right. Assume that the table's name is "exam_scores".

5. In the space below, write the output from the MySQL statement select STUDENT_NAME from exam_scores where SCORE > 80; 6. What would the output be from the MySQL statement select STUDENT_NAME, SCORE+5 from exam_scores;

  1. What would the output be from the MySQL statement select * from exam_scores limit 2;

STUDENT_NAME SCORE

John Johnson 78 Kenneth Kennedy 92 David Davis 88