August 2022
Beginner to intermediate
436 pages
9h 43m
Korean
Content preview from SQL로 시작하는 데이터 분석
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254
SQL로 시작하는 데이터 분석
SELECT
occurred::
timestamp
,reported::
timestamp
as
reported
,posted::date
as
posted
FROM
(
SELECT
split_part(
split_part(
split_part(sighting_report,’ (Entered’,1)
,’Occurred : ‘,2)
,’Reported’,1)
as
occurred
,split_part(
split_part(
split_part(
split_part(sighting_report,’Post’,1)
,’Reported: ‘,2)
,’ AM’,1),’ PM’,1)
as
reported
,split_part(
split_part(sighting_report,’Location’,1)
,’Posted: ‘,2)
as
posted
FROM
ufo
) a
WHERE
length(a.occurred) >= 8
and
length(a.reported) >= 8
and
length(a.posted) >= 8
ORDER BY
1
;
occurred reported posted
------------------- ------------------- ----------
... ... ...
2015-05-24 ...