๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋กMAX (1)

CS Studentโ€™s SAP&Tech Journey๐Ÿ’ซ

[SAP] ์ง‘๊ณ„ ํ•จ์ˆ˜(Aggregate Function) - MIN, MAX, SUM, COUNT, GROUP BY, HAVING

SAP ABAP์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ํšจ์œจ์ ์œผ๋กœ ์กฐํšŒํ•˜๊ณ  ๋ถ„์„ํ•˜๋ ค๋ฉด ์ง‘๊ณ„ ํ•จ์ˆ˜(Aggregate Function)๋ฅผ ํ™œ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜๋Š” ์—ฌ๋Ÿฌ ํ–‰(Row)์˜ ๊ฐ’์„ ํ•˜๋‚˜์˜ ๊ฒฐ๊ณผ ๊ฐ’์œผ๋กœ ๊ณ„์‚ฐํ•˜๋Š” ํ•จ์ˆ˜๋กœ, SQL๊ณผ ํ•จ๊ป˜ ์‚ฌ์šฉํ•˜์—ฌ ๋ฐ์ดํ„ฐ๋ฅผ ํšจ๊ณผ์ ์œผ๋กœ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.์ด๋ฒˆ ํฌ์ŠคํŒ…์—์„œ๋Š” ABAP์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ง‘๊ณ„ ํ•จ์ˆ˜์˜ ์ข…๋ฅ˜์™€ ํ™œ์šฉ๋ฒ•์„ ์ •๋ฆฌํ•ด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. ๐Ÿ“Œ 1. ์ง‘๊ณ„ ํ•จ์ˆ˜(Aggregate Function)๋ž€?์ง‘๊ณ„ ํ•จ์ˆ˜๋Š” ํ…Œ์ด๋ธ”์˜ ์—ฌ๋Ÿฌ ํ–‰(Row) ๋ฐ์ดํ„ฐ๋ฅผ ํ•˜๋‚˜์˜ ๊ฐ’์œผ๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ํ•จ์ˆ˜์ž…๋‹ˆ๋‹ค.์˜ˆ๋ฅผ ๋“ค์–ด, ํ•™์ƒ ํ…Œ์ด๋ธ”์—์„œ ์ตœ๋Œ€ ๋‚˜์ด, ์ตœ์†Œ ๋‚˜์ด, ์ „์ฒด ํ•™์ƒ ์ˆ˜, ํ‰๊ท  ์—ฐ๋ด‰ ๋“ฑ์„ ๊ตฌํ•  ๋•Œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โœ… ABAP์—์„œ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์ง‘๊ณ„ ํ•จ์ˆ˜โญ ๊ด„ํ˜ธ์•ˆ์— ๋„์–ด์“ฐ๊ธฐ ๊ผญ ์ฃผ์˜ํ•  ๊ฒƒ!์ง‘๊ณ„ ํ•จ์ˆ˜์„ค๋ช…MI..