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target๊ณผ iframe์„ ํ™œ์šฉํ•œ ์ด๋ฏธ์ง€ ํ™•๋Œ€ ์ถœ๋ ฅ 2021. 2. 25.
iframe (web ์•ˆ์˜ web) ์—ฌ๊ธฐ๋Š” index2.html head(๋จธ๋ฆฟ๋ง)์ž…๋‹ˆ๋‹ค. ์—ฌ๊ธฐ๋Š” index2.html head(๊ผฌ๋ฆฟ๋ง)์ž…๋‹ˆ๋‹ค. ๊ฒฐ๊ณผ์ฐฝ -> 2021. 2. 24.
List (๋ชฉ๋ก) - ul , ol ํ™œ์šฉ๋ฒ• un - > ์ˆœ์„œ์—†๋Š” ๋ชฉ๋ก ol - > ์ˆœ์„œ์žˆ๋Š” ๋ชฉ๋ก(์ˆซ์ž) coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee tea milk coffee black milk tea milk ๊ฒฐ๊ณผ -> 2021. 2. 24.
5๏ธโƒฃ FUNCTION ๐Ÿ”น ํ•จ์ˆ˜(FUNCTION)๋Š” PARAMETER(๋งค๊ฐœ๋ณ€์ˆ˜)๋ฅผ ๋จน์œผ๋ฉด ๊ผญ RETURN(๋ฐ˜ํ™˜๊ฐ’)์„ ๋Œ๋ ค์ค๋‹ˆ๋‹ค. ๐Ÿ”น ํ•จ์ˆ˜๋Š” SQL๋ฌธ ์•ˆ์—์„œ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. โ“ ์˜ค๋ผํด์—์„œ ๊ธฐ๋ณธ์ ์œผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ROUND, NVL, DISTINCT ๊ฐ™์€ ํ•จ์ˆ˜๋“ค์€ ๋นŒํŠธ์ธ(Built-in) ํ•จ์ˆ˜๋ผ๊ณ  ์นญํ•˜๋ฉฐ PL/SQL์—์„œ ์‚ฌ์šฉํ•˜๋Š” ํ•จ์ˆ˜๋ผ๋Š”๊ฒƒ์€ ์‚ฌ์šฉ์ž๊ฐ€ ๊ธฐ๋Šฅ์„ ํ™œ์šฉํ•˜๊ธฐ ์œ„ํ•ด ์ง์ ‘ ๋งŒ๋“  ํ•จ์ˆ˜๋ฅผ ์ง€์นญํ•ฉ๋‹ˆ๋‹ค. ๐Ÿ“‹ 1. ํ•จ์ˆ˜ ์ƒ์„ฑ ๐Ÿ“‹ 2. ํ•จ์ˆ˜ ํ˜ธ์ถœ 2021. 2. 18.