May 2022
Beginner to intermediate
448 pages
13h 7m
Korean
book
밑바닥부터 시작하는 데이터 과학 데이터 분석을 위한 파이썬 프로그래밍과 수학·통계 기초
by Joel Grus, Hangyeol Kim, Seongju Ha, Eunjung Park
Content preview from 밑바닥부터 시작하는 데이터 과학 데이터 분석을 위한 파이썬 프로그래밍과 수학·통계 기초
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from Scratch
369
기억(
memory
)은 인간에게 최고의 벗이자 최악의 원수다.
- 길버트 파커(
Gilbert
Parker
)
데이터는 종종 데이터베이스(
database
)에 저장되어 제공된다. 데이터베이스는
데이터를 효과적으로 저장하고 질의, 또는 쿼리(
query
)하기 위한 시스템으로,
이 중 대부분은
PostgreSQL
,
MySQL
,
SQL
Server
등과 같이 데이터를 테이블에
저장하고 데이터를 조작할 수 있는 선언적(
declarative
) 언어인
SQL
(
structured
query
language
)로 쿼리하는 관계형 데이터베이스(
relational
database
)이다.
SQL
은 데이터 과학자에게는 필수적인 도구 중 하나이다. 이 장에서는 데이터
베이스라고 하기에는 다소 애매하지만,
NotQuiteABase
라는 파이썬 구현체를
만들 것이다. 더불어
NotQuiteABase
에
SQL
을 실제로 적용해 보면서,
SQL
을
어떤 식으로 활용하는지 살펴볼 예정이다. 이런 방식으로
NotQuiteABase
에서
문제를 푸는 것을 통해 실생활에서
SQL
을 사용하여 문제를 푸는 방식을 익힐 수
있길 바란다.
24.1
CREATE TABLE과 INSERT
관계형 데이터베이스는 여러 테이블의 집합(과 그들 간의 관계)이다. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.