1034.Movie-Query ratings data in a more readable format
题目描述
Write a query to return the ratings data in
a more readable format: reviewer name,
movie title, stars,
and ratingDate.
Also, sort the data, first by reviewer
name, then by movie title, and lastly by number of stars.
You can find the full
data description here
movie ( mID, title, year,
director )
English: There is a movie with ID number mID,
a title, a release year, and a director.
mID |
title |
year |
director |
int |
varchar |
int |
varchar |
101 |
Gone with the Wind |
1939 |
Victor Fleming |
102 |
Star Wars |
1977 |
George Lucas |
reviewer ( rID, name )
English: The reviewer with ID number rID
has a certain name.
rID |
name |
int |
varchar |
201 |
Sarah Martinez |
202 |
Daniel Lewis |
rating ( rID, mID, stars,
ratingDate )
English: The reviewer rID gave the
movie mID a number of stars rating (1-5) on a certain ratingDate.
rID |
mID |
stars |
ratingDate |
int |
int |
int |
date |
201 |
101 |
2 |
2011-01-22 |