๋ถ๋ฅ ์ ์ฒด๋ณด๊ธฐ(90)
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[IBM]Databases and SQL for Data Science with Python - How to access DB using Python
Python : ecosystem - NumPy, panda, matplotlib, SciPy Ease of use, portable, support rdbms, DB-API, Detail document Notebook : Matlab, Jupyter, Jupyter Notebooks Language of choice, Share, Interactive Output, BIg Data integration Application program call the DBMS, handle the error etc. Writing Code using DB-API Benefits : Easy to implement and understand, encourages similarity between the Python ..
2021.05.02 -
[IBM]Databases and SQL for Data Science with Python- Week 2 & Week 3
Relational DB - Data independence DDL: Defining objects(Table)- define, change, Drop Create, alter, truncate, drop DML: Manipulating data in tables - modify, CRUD operations(Create, Remove, Update and Delete) insert, select, update, delete Create Table Statement - includes a definition of attributes in relational DB CREATE TABLE table_name ( Column_name datatype optional parameter, ...) CREATE T..
2021.05.02 -
[IBM]Python for Data Science, AI & Development - Types 2021.05.01
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[IBM]Databases and SQL for Data Science with Python - DML(UPDATE, INSERT, DELETE)
INSERT INTO table_name (column1, column2, ... ) VALUES (value1, value2, ... ) ; UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition ; DELETE FROM table_name WHERE condition ; ====================================================================================================== Insert a new instructor record with id 4 for Sandip Saha who lives in Edmonton, CA into the "I..
2021.04.28 -
[IBM]Databases and SQL for Data Science with Python- Count, Distinct, LIMIT (Practice exercises )
Practice exercises -Count, Distinct, LIMIT Now, let us practice creating and running some LIMIT related queries. Problem: Retrieve the name of the first 50 films distinctly. -> SELECT DISTINCT Title FROM FilmLocations LIMIT 50; Problem Retrieve first 10 film names distinctly released in 2015. -> SELECT DISTINCT Titel FROM FilmLocations WHERE ReleaseYear = 2015 LIMIT 10; Problem: Retrieve the nex..
2021.04.28 -
[IBM]Python for Data Science, AI & Development - List, Tuple, Dictionary, Set
List, Tuple, Dictionary, Set - Google search results youn-ha.github.io/jekyll/2019/04/19/190419.html
2021.04.28 -
์ธ์์ ๋ด ๋ง์๋๋ก ๋๋ ๊ฒ ํ๋๋ ์์ด๋, ๋งค ์๊ฐ ํ๋ณตํ ๊ฒ
์ฌ๋์ ๋ชจ๋ ์๊ธฐ ์ค์ฌ์ ์ด๋ค. ๊ธฐ์ต์ด ์๊ณก ๋๊ธฐ๋ ํ๊ณ ๊ธฐ์ตํ๊ณ ์ถ์ ๊ฒ๋ง ๋จ๊ฒจ๋๊ธฐ๋ ํ๋ค. ์ ๋ฒ๋ฆ์ฒ๋ผ ํ๋ ๋ง์ด ์ธ์์ ๋ด ๋ง์๋๋ก ๋๋ ๊ฒ์ด ์๋ค ๋ผ๋ ๋ง์ด๋ผ๋ ๊ฑด ์ผ๋ง๋ ์ฌํ ์ผ์ธ์ง ๋ชจ๋ฅธ๋ค. ์ธ์์ ๋ด ๋ง์๋๋ก ํ๋ฌ๊ฐ๋ ์ผ์ด ๋จ ํ๋๋ ์๋ค๋ฉด ๋งค์ผ, ๋งค ์๊ฐ์ ์ ๋ง๋ง์ด ๋ค๋ฐ๋ฅผ ํ ๋ ๋ง์ด๋ค. ๋ถํ ์ค ๋คํ์ธ ๊ฒ์ ์ฌ์ค ์ธ์์ ๋ด ๋ง์๋๋ก ๋๋ ๊ฒ๋ค๋ ๊ฝค ๋ง์ด ์กด์ฌํ์๋ค๋ ๊ฒ์ด๋ค. ๊ทธ๊ฒ์ด ์ง๊ธ๊น์ง ์ ๋ฒํ จ์จ ์ถ์ ๋๋ค๋์ด ๋์ด์ฃผ๊ธฐ๋ ํ๊ณ ์ฌ์ด๊ฐ ์ ์๋ ์์๊ฐ ๋์ด ์ฃผ๊ธฐ๋ ํ๊ณ ์์์ง๋ ๋น๋ฅผ ์ ์ ๋ง์์ค ์ ์๋ ์ฐ์ฐ์ด ๋์ด์ฃผ๊ธฐ๋ ํ๋ ๊ฑฐ๊ฒ ์ง. ๊ทธ๋ฆฌ๊ณ ๋ ์ด์ด ์ข์ ๊ฑด ๊ฐํน, ํน์, ์์ฃผ ์ฐ๋ฆฌ๋ ์ค์ค๋ก์๊ฒ ๊ทธ๋ฐ ๊ฒฝํ์ ํ ์ ์๋๋ก ์กฐ์ํ ์ ์๋ค. ๊ทธ๊ฒ์ ๋ฐ๋ก ์์ ๊ณํ๋ค์ ์ถ์ ๊ณณ๊ณณ์ ๋ฐฐ์นํด ๋๊ณ ..
2021.04.01 -
[Oracle_Java] Java SE: Programming Complete 2. Primitive Type, Operators, and Flow Control Statements. 2021.03.31
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[BBC] World news from BBC - Nike and H&M face China fury over Xinjiang cotton 'concerns'
youtu.be/fkmlKCV86zU?list=PLS3XGZxi7cBVTzEE4Sim9UuNKnUJq9Vkh 1. Script Announcer 00:00 The retail giant h&m is facing a backlash and a potential boycott in china because it won't source its cotton from Xinjiang province. 00:09 In a statement, last year h&m said that it was deeply concerned about reports of forced labour and discrimination against Xinjiang's Muslim minorities. 00:18 Then on Wedne..
2021.03.31 -
[๋น ๋ถ๊ธฐ] 1๊ณผ๋ชฉ 1์ฅ 4 ๋น ๋ฐ์ดํฐ ์กฐ์ง ๋ฐ ์ธ๋ ฅ
1. ๋ฐ์ดํฐ ๋ถ์ ๊ฑฐ๋ฒ๋์ค ์ฒด๊ณ ์๋ฆฝ (1-1) ๋ถ์ ๊ฑฐ๋ฒ๋์ค ์ฒด๊ณ ๊ฑฐ๋ฒ๋์ค(Governance)๋ '์์จ์ ์ด๊ณ ๋ ๋ฆฝ์ ์ธ ํ์์๋ค ๊ฐ์ ์ธ๋ถ ๊ถ์๋ ๋ด๋ถ์ ์ธ ์๊ธฐ์กฐ์ /์๊ธฐํต์ ๋ฉ์ปค๋์ฆ์ ์ํ ์กฐ์ ๊ณผ ๊ด๋ฆฌ' ๋ผ๊ณ ์ ์๋๋ค. ๊ทธ๋ฌ๋ฏ๋ก ๋ถ์ ๊ฑฐ๋ฒ๋์ค๋, ๋ถ์์ด ์กฐ์ง์ ์ ๋ต๊ณผ ๋ชฉํ์ ๋ถํฉ๋๊ฒ ์ด์ํ๋ ๊ด๋ฆฌ ์ฒด๊ณ๋ฅผ ์๋ฏธํจ - ํ์์ฑ : ์ง์์ ์ผ๋ก ๋ถ์ ๊ณ ๋ํ, ๋ถ์ ๊ณผ์ ์ถ๊ฐ ๋ฐ๊ตด, ๋ถ์ ์ ๋ฌด๋ฅผ ๊ธฐ์ ๋ฌธํ๋ก ์ ์ฐฉ, ์์ ์ ๋ถ์ ์ด์ฉ ์ํ์ฌ - ์ ์ : ๊ธฐ์ ํ ๋ถ์ ์์ค ์ง๋จ, ๋ถ์ ์กฐ์ง ๋ฐ ๋ถ์ ์ ๋ฌธ ์ธ๋ ฅ ๋ฐฐ์น, ๋ถ์ ๊ด๋ จ ํ๋ก์ธ์ค ๋ฐ ๋ถ์ ๊ต์ก ๋ฑ์ ๊ด์ ์์ (1-2) ๋ถ์ ์ค๋น๋ ํ๊ฐ : ๊ธฐ์ ์ ๋ฐ์ดํฐ ๋ถ์ ๋์ ์์ค ํ์ ์ํ ์ง๋จ ๋ฐฉ๋ฒ *์ด 6๊ฐ์ง ์์ญ์ ๋ํด ํ๊ฐ - ๋ถ์ ์ ๋ฌด ํ์ , ์ธ๋ ฅ ๋ฐ ์กฐ์ง,..
2021.03.30