๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค

 (1)
๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค (Relational Database) ๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค (Relational Database) https://opentutorials.org/module/3300/19521 ์˜ˆ์ œ ์†Œ์Šค๋ฅผ ์ ์šฉํ•ด๋ณด์ž. ๋‘ ํ…Œ์ด๋ธ”์„ "JOIN"์„ ์ด์šฉํ•˜์—ฌ ํ•˜๋‚˜์˜ ํ…Œ์ด๋ธ” ์ฒ˜๋Ÿผ ๋ณด๋Š” ๊ฒƒ์„ ํ•ด๋ณด์ž. ์œ„์™€ ๊ฐ™์ด author์˜ id์— ํ•ด๋‹น ํ•˜๋Š” ๊ฐ’์ด topic์˜ author_id์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ’์— ์ž˜ ๋ถ™์–ด ์žˆ๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค. โ˜ž ์ธํ„ฐ๋„ท๊ณผ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค

ํ‹ฐ์Šคํ† ๋ฆฌํˆด๋ฐ”