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ERD์˜ ๋ถ„์„ ๋ณธ์ธ์ด ์ง์ ‘ ERD(DB ๊ด€๊ณ„๋„)๋ฅผ ์ž‘์„ฑํ•˜๊ฑฐ๋‚˜, ํ˜น์€ ํƒ€์ธ์ด ์ž‘์„ฑํ•œ ERD๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ํ…Œ์ด๋ธ”์„ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ERD๋ฅผ ์–ด๋–ป๊ฒŒ ๊ทธ๋ฆผ์œผ๋กœ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ ๊ฐ ๊ทธ๋ฆผ์€ ์–ด๋–ค ์˜๋ฏธ๋กœ ๊ตฌ๋ถ„๋˜๋Š”์ง€ ์•Œ์•„์•ผํ•  ํ•„์š”๊ฐ€ ์žˆ๋‹ค. ๊ทธ์— ๋Œ€ํ•œ ๋‚ด์šฉ์„ ์„ค๋ช…ํ•˜๊ธฐ ์œ„ํ•ด ๊ฒŒ์‹œ๊ธ€์„ ์ž‘์„ฑํ•˜์˜€์œผ๋ฉฐ, ๋ชฉ์ฐจ๋Š” ์•„๋ž˜์™€ ๊ฐ™๋‹ค. 1. ์‹๋ณ„ VS ๋น„์‹๋ณ„ (Identifying VS Non-Identifying) 1) ์‹๋ณ„ ๊ด€๊ณ„ (Identifying Relationship) 2) ๋น„์‹๋ณ„ ๊ด€๊ณ„ (Non-Identifying Relationship) 3) ๋น„๊ต 2. ๊ด€๊ณ„์„  ํšจ๊ณผ์ ์œผ๋กœ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ์ง์ ‘ ERD๋ฅผ ๋งŒ๋“ค์–ด๋ณด๋Š” ๊ฒƒ ๋งŒํผ ์ข‹์€ ๋ฐฉ๋ฒ•์€ ์—†๋‹ค๊ณ  ์ƒ๊ฐํ•˜๊ธฐ์— ๊ดœ์ฐฎ์€ ERD Cloud ๋งํฌ๋ฅผ ์ฒจ๋ถ€ํ•˜์˜€๋‹ค.https://www.erdcloud.com.. 2022. 11. 1.
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