with recursive

    [MySQL] WITH RECURSIVE | ์ž„์˜ ํ…Œ์ด๋ธ” ์‚ฌ์šฉํ•˜๊ธฐ | ์žฌ๊ท€ ์ฟผ๋ฆฌ

    Programmers SQL ๊ณ ๋“์  Kit ์—์„œ WITH RECURSIVE๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ž„์˜์˜ ํ…Œ์ด๋ธ”์„ ์ƒ์„ฑํ•˜๊ณ  Joinํ•˜์—ฌ ํ’€์ดํ•ด์•ผํ•˜๋Š” ๋ฌธ์ œ๋ฅผ ๋งŒ๋‚ฌ์Šต๋‹ˆ๋‹ค ์ฒ˜์Œ ๋งˆ์ฃผํ•˜๋Š” ๋ฌธ๋ฒ•์ด์—ˆ๊ณ , ์ •๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด ๊ธ€ ์ž‘์„ฑํ•˜๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. WITH RECURSIVE ์ด๋ฆ„์—์„œ ์•Œ ์ˆ˜ ์žˆ๋“ฏ์ด recursive(์žฌ๊ท€์ ์ธ) ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๋ฌธ๋ฒ•์ž…๋‹ˆ๋‹ค. ๊ธฐ๋ณธ์ ์œผ๋กœ UNION ๊ฐœ๋…์„ ์ดํ•ดํ•˜๊ณ  ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. 2023.02.08 - [๐Ÿ“‚Language/SQL] - [MySQL] NULL๊ฐ’ ๋ณ€๊ฒฝ(์น˜ํ™˜) ์ถœ๋ ฅ | UNION | ๋ฌธ์ž์—ด ๋ถ€๋ถ„ ์ถœ๋ ฅ | DATE ํƒ€์ž… ์ถœ๋ ฅ ํ˜•์‹ ์ง€์ • [MySQL] NULL๊ฐ’ ๋ณ€๊ฒฝ(์น˜ํ™˜) ์ถœ๋ ฅ | UNION | ๋ฌธ์ž์—ด ๋ถ€๋ถ„ ์ถœ๋ ฅ | DATE ํƒ€์ž… ์ถœ๋ ฅ ํ˜•์‹ ์ง€์ • ์•ˆ๋…•ํ•˜์“ฐ์š”~ ์˜ค๋Š˜์˜ ํ•™์Šตํ•œ ๋‚ด์šฉ์„ ์ •๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด ๋Œ์•„์™”์Šต..