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๋ชฉ๋กIFNULL (1)
๋ญ๋ฐ๊ฐ๋ฐ
[MariaDB] IF, IFNULL, NULLIF
IF ๋ฌธ๋ฒ IF( expression1, expression2, expression3 ) expression1๊ฐ ์ฐธ์ด๋ฉด expression2๋ฅผ, ๊ฑฐ์ง์ด๋ฉด expression3์ ๋ฐํํฉ๋๋ค. ์์ SELECT IF( 2>3, 'T', 'F' ); +---------------------+ | IF( 2>3, 'T', 'F' ) | +---------------------+ | F | +---------------------+ 2>3์ด ๊ฑฐ์ง์ด๋ฏ๋ก F๋ฅผ ๋ฐํํฉ๋๋ค. SELECT IF( 2
DB
2023. 4. 18. 10:56