The avatar for @credmond
Charles Redmond
Public
aaa-Database350Fall23
Edited
Nov 16, 2023
19 forks
4
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db
SELECT playerID,birthCountry,
CASE birthCountry
WHEN 'USA' THEN 'United States'
ELSE 'International'
END birthPlace
FROM people
WHERE birthCountry IS NULL
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db
SELECT playerID,birthCountry,
CASE
WHEN birthCountry = 'USA' THEN 'UNITED STATES'
WHEN birthCountry IS NULL THEN 'UNKNOWN'
ELSE 'INTERNATIONAL'
END birthPlace
FROM people
WHERE birthCountry IS NULL
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db
SELECT playerID,bats,
CASE bats
WHEN 'R' THEN 'bats right'
WHEN 'L' THEN 'bats left'
WHEN 'B' THEN 'switch hitter'
ELSE 'Unknown'
END batHandedness
FROM people

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db
SELECT playerID,H,AB,
CASE
WHEN AB = 0 THEN 'undefined'
ELSE H/AB
END battingAverage
FROM batting
WHERE AB = 0

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db
SELECT playerID,
CASE count(DISTINCT schoolID)
WHEN 1 THEN 'one school'
WHEN 2 THEN 'two schools'
WHEN 3 THEN 'three schools'
END numberOfSchools
FROM college
GROUP BY playerID

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db
SELECT playerID,
CASE count(DISTINCT schoolID)
WHEN 1
FROM college
group by playerID
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db
SELECT playerID,count(DISTINCT schoolID) AS schools
FROM college
GROUP BY playerID
ORDER BY schools DESC
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db
SELECT playerID,
CASE (SELECT count(DISTINCT schoolID)
FROM college
WHERE playerID = people.playerID)
WHEN 0 THEN 'No College'
WHEN 1 THEN 'One College'
WHEN 2 THEN 'Two Colleges'
WHEN 3 THEN 'Three Colleges'
END schools
FROM people
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db
SELECT playerID,
CASE(SELECT count(DISTINCT schoolID)
FROM college
WHERE playerID = people.playerID
)
FROM people
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db
SELECT playerID,
CASE (SELECT count(*)
FROM managers
WHERE playerID = people.playerID)
WHEN 0 THEN 'Never Managed'
ELSE (SELECT count(*)
FROM managers
WHERE playerID = people.playerID)
END
FROM people
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db
SELECT playerID,
CASE(SELECT count(*)
FROM managers
WHERE playerID = people.playerID
)
WHEN 0 THEN 'Never Managed'
ELSE (SELECT count(*)
FROM managers
WHERE playerID = people.playerID)
END
FROM people
Insert cell

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