[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 16. ๊ฒฝ๊ธฐ๋„์— ์œ„์น˜ํ•œ ์‹ํ’ˆ์ฐฝ๊ณ  ๋ชฉ๋ก ์ถœ๋ ฅํ•˜๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…FOOD_WAREHOUSE ํ…Œ์ด๋ธ”์—์„œ ๊ฒฝ๊ธฐ๋„์— ์œ„์น˜ํ•œ ์ฐฝ๊ณ ์˜ ID, ์ด๋ฆ„, ์ฃผ์†Œ, ๋ƒ‰๋™์‹œ์„ค ์—ฌ๋ถ€๋ฅผ ์กฐํšŒํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์ด๋•Œ ๋ƒ‰๋™์‹œ์„ค ์—ฌ๋ถ€๊ฐ€ NULL์ธ ๊ฒฝ์šฐ, 'N'์œผ๋กœ ์ถœ๋ ฅ์‹œ์ผœ ์ฃผ์‹œ๊ณ  ๊ฒฐ๊ณผ๋Š” ์ฐฝ๊ณ  ID๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์˜ค๋ฆ„์ฐจ์ˆœ ์ •๋ ฌํ•ด์ฃผ์„ธ์š”.https://school.programmers.co.kr/learn/courses/30/lessons/131114 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ๊ฒฝ๊ธฐ๋„์— ์œ„์น˜ํ•œ ์ฐฝ๊ณ  ์กฐํšŒ2. ๋ƒ‰๋™์‹œ์„ค ์—ฌ๋ถ€๊ฐ€ NULL์ธ ๊ฒฝ์šฐ 'N'์œผ๋กœ ์ถœ๋ ฅ3. ๊ฒฐ๊ณผ๋Š” ์ฐฝ๊ณ  ID๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์˜ค๋ฆ„์ฐจ์ˆœ ์ •๋ ฌ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT WAREHOUS..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 15. NULL ์ฒ˜๋ฆฌํ•˜๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ์˜ ์ƒ๋ฌผ ์ข…, ์ด๋ฆ„, ์„ฑ๋ณ„ ๋ฐ ์ค‘์„ฑํ™” ์—ฌ๋ถ€๋ฅผ ์•„์ด๋”” ์ˆœ์œผ๋กœ ์กฐํšŒํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์ด๋•Œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์„ ๋ชจ๋ฅด๋Š” ์‚ฌ๋žŒ๋“ค์€ NULL์ด๋ผ๋Š” ๊ธฐํ˜ธ๋ฅผ ๋ชจ๋ฅด๊ธฐ ๋•Œ๋ฌธ์—, ์ด๋ฆ„์ด ์—†๋Š” ๋™๋ฌผ์˜ ์ด๋ฆ„์€ "No name"์œผ๋กœ ํ‘œ์‹œํ•ด ์ฃผ์„ธ์š”.https://school.programmers.co.kr/learn/courses/30/lessons/59410 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ์•„์ด๋”” ์ˆœ์œผ๋กœ ์กฐํšŒ2. ์ด๋ฆ„์ด ์—†๋Š” ๋™๋ฌผ(NULL)์˜ ์ด๋ฆ„์€ No name์œผ๋กœ ํ‘œ์‹œ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT ANIMAL_TYPE, IFNULL(NAME, "No name") AS NA..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 14. ๊ฐ€์žฅ ๋น„์‹ผ ์ƒํ’ˆ ๊ตฌํ•˜๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…PRODUCT ํ…Œ์ด๋ธ”์—์„œ ํŒ๋งค ์ค‘์ธ ์ƒํ’ˆ ์ค‘ ๊ฐ€์žฅ ๋†’์€ ํŒ๋งค๊ฐ€๋ฅผ ์ถœ๋ ฅํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์ด๋•Œ ์ปฌ๋Ÿผ๋ช…์€ MAX_PRICE๋กœ ์ง€์ •ํ•ด์ฃผ์„ธ์š”.http://school.programmers.co.kr/learn/courses/30/lessons/131697 โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. PRICE ์ค‘ ๊ฐ€์žฅ ๋†’์€ ๊ฐ’ ๊ตฌํ•˜๊ธฐ2. ์ปฌ๋Ÿผ๋ช…์€ MAX_PRIICE๋กœ ์ง€์ •ํ•˜๊ธฐ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT MAX(PRICE) AS MAX_PRICEFROM PRODUCT; โ‡๏ธ ์ฝ”๋“œ ํ’€์ด1. PRICE ์ค‘ ๊ฐ€์žฅ ๋†’์€ ๊ฐ’ ๊ตฌํ•˜๊ธฐใ€€: MAX(PRICE) 2. ์ปฌ๋Ÿผ๋ช…์€ MAX_PRIICE๋กœ ์ง€์ •ํ•˜๊ธฐใ€€: AS MAX_PRICE โ‡๏ธ ์‹คํ–‰ ๊ฒฐ๊ณผ
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 13. ๋‚˜์ด ์ •๋ณด๊ฐ€ ์—†๋Š” ํšŒ์› ์ˆ˜ ๊ตฌํ•˜๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…USER_INFO ํ…Œ์ด๋ธ”์—์„œ ๋‚˜์ด ์ •๋ณด๊ฐ€ ์—†๋Š” ํšŒ์›์ด ๋ช‡ ๋ช…์ธ์ง€ ์ถœ๋ ฅํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”.์ด๋•Œ ์ปฌ๋Ÿผ๋ช…์€ USERS๋กœ ์ง€์ •ํ•ด์ฃผ์„ธ์š”.https://school.programmers.co.kr/learn/courses/30/lessons/131528 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ๋‚˜์ด ์ •๋ณด๊ฐ€ ์—†๋Š” ํšŒ์›์˜ ์ˆ˜ ๊ตฌํ•˜๊ธฐ2. ์ปฌ๋Ÿผ๋ช…์€ USERS๋กœ ์ง€์ • โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT count(*) AS USERSFROM USER_INFOWHERE AGE IS NULL; โ‡๏ธ ์ฝ”๋“œ ํ’€์ด1. ๋‚˜์ด ์ •๋ณด๊ฐ€ ์—†๋Š” ํšŒ์›์˜ ์ˆ˜ ๊ตฌํ•˜๊ธฐใ€€: SELECT count(*)ใ€€  WHE..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 12. ์ด๋ฆ„์— el์ด ๋“ค์–ด๊ฐ€๋Š” ๋™๋ฌผ ์ฐพ๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ๋™๋ฌผ ์ด๋ฆ„ ์ค‘, ์ด๋ฆ„์— "EL"์ด ๋“ค์–ด๊ฐ€๋Š” ๊ฐœ์˜ ์•„์ด๋””์™€ ์ด๋ฆ„์„ ์กฐํšŒํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์ด๋•Œ ๊ฒฐ๊ณผ๋Š” ์ด๋ฆ„ ์ˆœ์œผ๋กœ ์กฐํšŒํ•ด์ฃผ์„ธ์š”. ๋‹จ, ์ด๋ฆ„์˜ ๋Œ€์†Œ๋ฌธ์ž๋Š” ๊ตฌ๋ถ„ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.https://school.programmers.co.kr/learn/courses/30/lessons/59047 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. '๊ฐœ'๋งŒ ์กฐํšŒ2. ์ด๋ฆ„ ์ค‘ 'el'์ด ํฌํ•จ3. ๊ฒฐ๊ณผ๋Š” ์ด๋ฆ„ ์ˆœ์œผ๋กœ ์กฐํšŒ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT animal_Id, nameFROM animal_insWHERE animal_type = 'Dog' AND name L..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 11. ์—ฌ๋Ÿฌ ๊ธฐ์ค€์œผ๋กœ ์ •๋ ฌํ•˜๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ๋ชจ๋“  ๋™๋ฌผ์˜ ์•„์ด๋””์™€ ์ด๋ฆ„, ๋ณดํ˜ธ ์‹œ์ž‘์ผ์„ ์ด๋ฆ„ ์ˆœ์œผ๋กœ ์กฐํšŒํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ๋‹จ, ์ด๋ฆ„์ด ๊ฐ™์€ ๋™๋ฌผ ์ค‘์—์„œ๋Š” ๋ณดํ˜ธ๋ฅผ ๋‚˜์ค‘์— ์‹œ์ž‘ํ•œ ๋™๋ฌผ์„ ๋จผ์ € ๋ณด์—ฌ์ค˜์•ผ ํ•ฉ๋‹ˆ๋‹ค.https://school.programmers.co.kr/learn/courses/30/lessons/59404 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ๋ชจ๋“  ๋™๋ฌผ์˜ ์•„์ด๋””, ์ด๋ฆ„, ๋ณดํ˜ธ ์‹œ์ž‘์ผ์„ ์กฐํšŒ2. ์ด๋ฆ„ ์ˆœ์œผ๋กœ ์ •๋ ฌํ•˜๋Š”๋ฐ, ์ด๋ฆ„์ด ๊ฐ™์€ ๋™๋ฌผ ์ค‘์—์„œ๋Š” ๋ณดํ˜ธ๋ฅผ ๋‚˜์ค‘์— ์‹œ์ž‘ํ•œ ๋™๋ฌผ์„ ๋จผ์ € ์ถœ๋ ฅ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT animal_id, name, datetimeFROM ..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 10. ์–ด๋ฆฐ ๋™๋ฌผ ์ฐพ๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ๋™๋ฌผ ์ค‘ ์ Š์€ ๋™๋ฌผ์˜ ์•„์ด๋””์™€ ์ด๋ฆ„์„ ์กฐํšŒํ•˜๋Š” SQL ๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์ด๋•Œ ๊ฒฐ๊ณผ๋Š” ์•„์ด๋”” ์ˆœ์œผ๋กœ ์กฐํšŒํ•ด์ฃผ์„ธ์š”.https://school.programmers.co.kr/learn/courses/30/lessons/59037 โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ์ Š์€ ๋™๋ฌผ (INTAKE_CONDITION์ด Aged๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ)์˜ ์•„์ด๋””์™€ ์ด๋ฆ„ ์กฐํšŒ2. ๊ฒฐ๊ณผ๋Š” ์•„์ด๋”” ์ˆœ์œผ๋กœ ์ •๋ ฌ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT ANIMAL_ID, NAMEFROM ANIMAL_INSWHERE INTAKE_CONDITION != 'Aged'ORDER BY 1 โ‡๏ธ ์ฝ”๋“œ ํ’€์ด1. ์ Š์€ ๋™๋ฌผ (INTAKE_CONDITION์ด Aged๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ) ์กฐํšŒใ€€: WHERE INTAKE_CONDITION != 'Aged' ..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 9. ์ตœ์†Ÿ๊ฐ’ ๊ตฌํ•˜๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๊ฐ€์žฅ ๋จผ์ € ๋“ค์–ด์˜จ ๋™๋ฌผ์€ ์–ธ์ œ ๋“ค์–ด์™”๋Š”์ง€ ์กฐํšŒํ•˜๋Š” SQL ๋ฌธ์„ ์ž‘์„ฑhttps://school.programmers.co.kr/learn/courses/30/lessons/59038 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋จผ์ € ๋“ค์–ด์˜จ(๋ณดํ˜ธ ์‹œ์ž‘์ผ)์ˆœ์œผ๋กœ ์ •๋ ฌ2. ๊ฐ€์žฅ ๋จผ์ € ๋“ค์–ด์˜จ ๋™๋ฌผ๋งŒ ์กฐํšŒ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT DATETIME AS '์‹œ๊ฐ„'FROM ANIMAL_INSORDER BY DATETIMELIMIT 1; โ‡๏ธ ์ฝ”๋“œ ํ’€์ด1. ๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋จผ์ € ๋“ค์–ด์˜จ(๋ณดํ˜ธ ์‹œ์ž‘์ผ)์ˆœ์œผ๋กœ ์ •๋ ฌใ€€: ORDER BY DATETIME 2. ๊ฐ€์žฅ ๋จผ์ €..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 8. ์ƒ์œ„ n๊ฐœ ๋ ˆ์ฝ”๋“œ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๊ฐ€์žฅ ๋จผ์ € ๋“ค์–ด์˜จ ๋™๋ฌผ์˜ ์ด๋ฆ„์„ ์กฐํšŒํ•˜๋Š” SQL ๋ฌธ์„ ์ž‘์„ฑhttps://school.programmers.co.kr/learn/courses/30/lessons/59405 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ์ˆœ์„œ๋Œ€๋กœ ์ •๋ ฌ2. ๊ฐ€์žฅ ๋จผ์ € ๋“ค์–ด์˜จ ๋™๋ฌผ ํ•œ ๋งˆ๋ฆฌ๋งŒ ์ถœ๋ ฅ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT NAMEFROM ANIMAL_INSORDER BY DATETIMElimit 1; โ‡๏ธ ์ฝ”๋“œ ํ’€์ด1. ๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ์ˆœ์„œ๋Œ€๋กœ ์ •๋ ฌใ€€: ORDER BY DATETIME 2. ๊ฐ€์žฅ ๋จผ์ € ๋“ค์–ด์˜จ ๋™๋ฌผ ํ•œ ๋งˆ๋ฆฌ๋งŒ ์ถœ๋ ฅใ€€: limit 1; โ‡๏ธ..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/MYSQL] 7. ์•„ํ”ˆ ๋™๋ฌผ ์ฐพ๊ธฐ
ยท
๋‚ด์ผ๋ฐฐ์›€์บ ํ”„/SQL ์ฝ”๋“œ์นดํƒ€
โ‡๏ธ ๋ฌธ์ œ ์„ค๋ช…๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ๋™๋ฌผ ์ค‘ ์•„ํ”ˆ ๋™๋ฌผ์˜ ์•„์ด๋””์™€ ์ด๋ฆ„์„ ์กฐํšŒํ•˜๋Š” SQL ๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์ด๋•Œ ๊ฒฐ๊ณผ๋Š” ์•„์ด๋”” ์ˆœ์œผ๋กœ ์กฐํšŒํ•ด์ฃผ์„ธ์š”. (์•„ํ”ˆ ๋„๋ฌผ์€ INTAKE_CONDITION์ด Sick์ธ ๊ฒฝ์šฐ๋ฅผ ์˜๋ฏธ)https://school.programmers.co.kr/learn/courses/30/lessons/59036 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr โ‡๏ธ ์š”๊ตฌ์‚ฌํ•ญ1. ์•„ํ”ˆ ๋™๋ฌผ ์กฐํšŒํ•˜๊ธฐ2. ์•„์ด๋”” ์ˆœ์œผ๋กœ ์กฐํšŒ โ‡๏ธ ์ž‘์„ฑ์ฝ”๋“œSELECT ANIMAL_ID, NAMEFROM ANIMAL_INSWHERE INTAKE_CONDITION = "Sick"ORDER BY 1 โ‡๏ธ ์ฝ”๋“œ ํ’€..