CodeSiri/TIL

[TIL] 2021.03.31

Dev๋‹คD 2021. 3. 30. 22:10
๋ฐ˜์‘ํ˜•

SQL ๐Ÿ“‘

[SQL๋กœ ํ•˜๋Š” ๋ฐ์ดํ„ฐ ๊ด€๋ฆฌ] 03. Foreign Key ์ œ๋Œ€๋กœ ์‚ฌ์šฉํ•˜๊ธฐ

01. course ํ…Œ์ด๋ธ”๊ณผ review ํ…Œ์ด๋ธ” ๋งŒ๋“ค๊ธฐ

02. course ํ…Œ์ด๋ธ”๊ณผ review ํ…Œ์ด๋ธ” ์ฑ„์›Œ๋„ฃ๊ธฐ

03. Foreign Key๊ฐ€ ํ•„์š”ํ•œ ์ด์œ 

04. Foreign Key ์„ค์ •ํ•˜๊ธฐ

05. SHOW CREATE TABLE ๋ฌธ์œผ๋กœ ํ˜„์žฌ ํ…Œ์ด๋ธ”์„ ์–ด๋–ป๊ฒŒ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋Š” ์ˆ˜ ์žˆ๋Š”์ง€ ๋ณด๊ธฐ

06. Foreign Key๋กœ ๋ณด์žฅ๋˜๋Š” ์ฐธ์กฐ ๋ฌด๊ฒฐ์„ฑ

07. ๋ถ€๋ชจ ํ…Œ์ด๋ธ”์˜ row๊ฐ€ ์‚ญ์ œ๋  ๋•Œ - RESTRICT ์ •์ฑ…

08. ๋ถ€๋ชจ ํ…Œ์ด๋ธ”์˜ row๊ฐ€ ์‚ญ์ œ๋  ๋•Œ - CASCADE ์ •์ฑ…

09. ๋ถ€๋ชจ ํ…Œ์ด๋ธ”์˜ row๊ฐ€ ์‚ญ์ œ๋  ๋•Œ - SET NULL ์ •์ฑ…

10. ๋ถ€๋ชจ ํ…Œ์ด๋ธ”์˜ row์—์„œ ์ฐธ์กฐ๋‹นํ•˜๋Š” ์ปฌ๋Ÿผ์ด ๊ฐฑ์‹ ๋  ๋•Œ๋Š”?

11. ๋…ผ๋ฆฌ์  Foreign Key, ๋ฌผ๋ฆฌ์  Foreign Key

12. Foreign Key๋ฅผ ์‚ญ์ œํ•˜๋Š” ๋ฐฉ๋ฒ•

13. ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์˜ ์„ค๊ณ„์‚ฌํ•ญ, ์Šคํ‚ค๋งˆ

14. Foreign Key ์ œ๋Œ€๋กœ ์‚ฌ์šฉํ•˜๊ธฐ ํ€ด์ฆˆ

15. Foreign Key ์ œ๋Œ€๋กœ ์‚ฌ์šฉํ•˜๊ธฐ ๊ณผ์ œ

16. Foreign Key๋กœ ๋น ๋ฅด๊ฒŒ ํŒŒ์•…ํ•˜๋Š” ํ…Œ์ด๋ธ” ๊ฐ„์˜ ๊ด€๊ณ„

 

Academe ๐Ÿซ

Theory01. Spring

 

Study ๐Ÿ› 

[์ฝ”๋ฎค๋‹ˆํ‹ฐ ๋ชจ๊ฐ์ฝ”] ์•„์ด ์บ” C

๋ชจ๊ฐ์ฝ” ์ถœ์„ ์ธ์ฆ 11์ผ ์ฐจ - ์•„์ด ์บ” C 3์›” ๊ณผ์ •

 

 


 

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