Chapter 2, Problem 4EYW

What is the function of a column qualifier? When do you have to use one?

WEEK 9 ASSIGNMENT#6   Part II: Complete the following exercise:    Using a subquery, select student first name where the student is in the student course table. Using a subquery, select the course id where the average GPA is 2. Using a subquery, select the course id where the average GPA is greater than 2. Using a subquery, select student first name where the student is not in the student course t

List the location number and unit number for every condo whose square footage is equal to or less than 1,084 square feet.

Classify students according to the total number of hours they have completed. (Less than30=freshman, 30 to 59 is sophomore, 60 to 89 is junior, 90+ senior)

List the first name and last name of all authors. Concatenate the first and last names so that the result set has only one column. Hint: CONCAT(). For example: +---------------+ | Full Name     | +---------------+ | Mike Lance    | | Steve Smith   | | Anne Penny    | | Ron MacDonald | | Sylvia Parry  | | Albert Jones  | +---------------+

Determine the kind of books in the library's current collection. Each category should include just a single entry.

Create a Movie table with the following columns: ID - positive integer with maximum value of 50,000 Title - variable-length string with up to 50 characters Rating - fixed-length string with 4 characters ReleaseDate - date Budget - decimal value representing a cost of up to 999,999 dollars, with 2 digits for cents

Select the best answer from the given choices: Queries can be used within statement(s): update delete All of the answers Insert

SID SNAME STYPE LOCATION 1 Lulu DS Salalah 2 C4 DS Saadah 3 Smile WS Awqad   PRODUCTS PID DESC PRICE SID QTY 801 Pencil 3 1 10 802 A4 6 2 15 803 Ballpen 4 2   804 Marker 2 3 20 Display the PID and average prices from the PRODUCTS table which price is less than the average price of all the products. (use subquery)