mysql commit

    [SQL] DB ์„ค๊ณ„(์ •๊ทœํ™”,ROLLBACK, COMMIT) 2ํŽธ

    [SQL] DB ์„ค๊ณ„(์ •๊ทœํ™”,ROLLBACK, COMMIT) 2ํŽธ

    ์•ˆ๋…•ํ•˜์„ธ์š”. ๊ณต๋ถ€ํ•˜๋Š” ์›…์ด์ž…๋‹ˆ๋‹ค. ์•ž์„  ํฌ์ŠคํŒ…์— ์ด์–ด์„œ ๊ณ„์†ํ•ด์„œ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค๊ณ„์— ๋Œ€ํ•ด์„œ ๊ณต๋ถ€ํ•ด๋ณด์ž. ์‹œ์ž‘ํ•ด๋ณด์ž. ํŠธ๋žœ์žญ์…˜(transaction) ์ฃผ๋ฌธ์ด ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ๋ฐœ์ฃผ ์ฒ˜๋ฆฌํ•˜๋Š” ๊ณผ์ •์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. insert into '์ฃผ๋ฌธ' values (4,'2021-11-07,2'); insert into '์ฃผ๋ฌธ์ƒํ’ˆ' values(4, '0001',2); insert into '์ฃผ๋ฌธ์ƒํ’ˆ' values(4,'0002',3); ์ด๋ฅผ ํŠธ๋žœ์žญ์…˜(transaction)์œผ๋กœ ์ฒ˜๋ฆฌํ•˜๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ฝ”๋“œ๊ฐ€ ์™„์„ฑ์ด ๋œ๋‹ค. start transaction; insert into '์ฃผ๋ฌธ' values (4,'2021-11-07,2'); insert into '์ฃผ๋ฌธ์ƒํ’ˆ' values(4, '0001',2); insert into..