August 2022
Beginner to intermediate
436 pages
9h 43m
Korean
Content preview from SQL로 시작하는 데이터 분석
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202
SQL로 시작하는 데이터 분석
FROM
legislators_terms
) d
JOIN
legislators_terms e
on
d.id_bioguide = e.id_bioguide
LEFT
JOIN
date_dim f
on
f.date
between
e.term_start
and
e.term_end
and
f.month_name = ‘December’
and
f.day_of_month = 31
JOIN
legislators g
on
d.id_bioguide = g.id_bioguide
WHERE
d.first_term
between
‘1917-01-01’
and
‘1999-12-31’
GROUP
BY
1,2,3
) ddd
on
aaa.gender = ddd.gender
and
aaa.first_state = ddd.first_state
and
aaa.period = ddd.period
ORDER
BY
1,2,3
;
gender first_state period cohort_size cohort_retained pct_retained
------ ----------- ------ ----------- --------------- ------------
F AL 0 3 3 1.0000
F AL 1 3 1 0.3333
F AL 2 ...