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off by one? #12

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116ff09
off by one?
zenvercoder Feb 23, 2017
5c85015
update #11 + #13
zenvercoder Feb 23, 2017
c6982c7
fix too many columns error
zenvercoder Feb 23, 2017
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2 changes: 1 addition & 1 deletion select-from-nobel.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ The expression subject IN ('Chemistry','Physics') can be used as a value - it wi

Show the 1984 winners ordered by subject and winner name; but list Chemistry and Physics last.
*/
SELECT winner, subject, subject IN ('Physics','Chemistry')
SELECT winner, subject
FROM nobel
WHERE yr=1984
ORDER BY subject IN ('Physics','Chemistry'),subject,winner
11 changes: 6 additions & 5 deletions select-from-world.sql
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Expand Up @@ -90,19 +90,19 @@ Show per-capita GDP for the trillion dollar countries to the nearest $1000.
*/
SELECT name, ROUND(gdp/population, -3)
FROM world
WHERE gdp > 1000000000000
WHERE gdp >= 1000000000000

--#11
/*
The CASE statement shown is used to substitute North America for Caribbean in the third column.

Show the name and the continent - but substitute Australasia for Oceania - for countries beginning with N.
*/
SELECT name, continent,
CASE WHEN continent='Caribbean' THEN 'North America'
SELECT name,
CASE WHEN continent='Oceania' THEN 'Australasia'
ELSE continent END
FROM world
WHERE name LIKE 'J%'
FROM world
WHERE name LIKE 'N%'

--#12
/*
Expand Down Expand Up @@ -132,4 +132,5 @@ CASE WHEN continent = 'Oceania' THEN 'Australasia'
WHEN continent = 'Caribbean' AND name NOT LIKE 'b%' THEN 'South America'
ELSE continent END
FROM world
WHERE tld IN ('.ag','.ba','.bb','.ca','.cn','.nz','.ru','.tr','.uk')
ORDER BY name