SQL练习_2 | 3 | SQLZOO_20191008

2019-10-22  本文已影响0人  XDuan

本系列刷题笔记主要用以记录刷SQLZOO的过程中的思路、个人答案以及陌生的或者新的知识点。

题目来源 - SQLZOO
SQLZOO中题目中文版本与英文版本略有差异,题目以英文版为准

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SQL练习_1 | SQLZOO_20191002

3 Select from Nobel

查询表格

查询表格_Nobel

3_1 Change the query shown so that it displays Nobel prizes for 1950.

SELECT yr,
       subject,
       winner
FROM nobel
WHERE yr = 1950

3_2 Show who won the 1962 prize for Literature.

SELECT winner
FROM nobel
WHERE yr = 1962
AND   subject = 'Literature'

3_3 Show the year and subject that won 'Albert Einstein' his prize.

SELECT yr,
       subject
FROM nobel
WHERE winner = 'Albert Einstein'

3_4 Give the name of the 'Peace' winners since the year 2000, including 2000.

SELECT winner
FROM nobel
WHERE subject = 'Peace'
AND   yr >= '2000'

3_5 Show all details (yr, subject, winner) of the Literature prize winners for 1980 to 1989 inclusive.

SELECT *
FROM nobel
WHERE subject = 'Literature'
AND   yr BETWEEN '1980' AND '1989'

3_6 Show all details of the presidential winners: Theodore Roosevelt, Woodrow Wilson, Jimmy Carter, Barack Obama.

SELECT *
FROM nobel
WHERE winner IN ('Theodore Roosevelt','Woodrow Wilson','Jimmy Carter','Barack Obama')

3_7 Show the winners with first name John.

SELECT winner
FROM nobel
WHERE winner like ('John%')

3_8 Show the year, subject, and name of Physics winners for 1980 together with the Chemistry winners for 1984.

SELECT yr,
       subject,
       winner
FROM nobel
WHERE (subject = 'Physics' AND yr = '1980')
OR    (yr = '1984' AND subject = 'Chemistry')

3_9 Show the year, subject, and name of winners for 1980 excluding Chemistry and Medicine.

SELECT yr,
       subject,
       winner
FROM nobel
WHERE yr = '1980'
AND   subject NOT IN ('Chemistry','Medicine')

3_10 Show year, subject, and name of people who won a 'Medicine' prize in an early year (before 1910, not including 1910) together with winners of a 'Literature' prize in a later year (after 2004, including 2004)

SELECT yr,
       subject,
       winner
FROM nobel
WHERE (yr < '1910' AND subject = 'Medicine')
OR    (yr >= '2004' AND subject = 'Literature')

3_11 Find all details of the prize won by PETER GRÜNBERG

SELECT *
FROM nobel
WHERE winner = 'PETER GRÜNBERG'

3_12 Find all details of the prize won by EUGENE O'NEILL

SELECT *
FROM nobel
WHERE winner = 'EUGENE O''NEILL'

3_13 List the winners, year and subject where the winner starts with Sir. Show the the most recent first, then by name order.

SELECT winner,
       yr,
       subject
FROM nobel
WHERE winner LIKE 'Sir%'
ORDER BY yr DESC,
         winner ASC

3_14 Show the 1984 winners and subject ordered by subject and winner name; but list Chemistry and Physics last.

The expression subject IN ('Chemistry','Physics') can be used as a value - it will be 0 or 1.

SELECT winner,
       subject
FROM nobel
WHERE yr = 1984
ORDER BY subject IN ('Physics','Chemistry'),
         subject,
         winner
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