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๐Ÿ’ SQL 77

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ์ž๋™์ฐจ ๋Œ€์—ฌ ๊ธฐ๋ก์—์„œ ์žฅ๊ธฐ/๋‹จ๊ธฐ ๋Œ€์—ฌ ๊ตฌ๋ถ„ํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/151138 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT HISTORY_ID, CAR_ID, date_format(START_DATE, '%Y-%m-%d') as START_DATE, date_format(END_DATE, '%Y-%m-%d') as END_DATE, if(datediff(END_DATE, START_DATE)+1>=30, "์žฅ๊ธฐ ๋Œ€์—ฌ", "๋‹จ๊ธฐ ๋Œ€์—ฌ") as RENT_TYPE from CAR_REN..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ํŠน์ • ์˜ต์…˜์ด ํฌํ•จ๋œ ์ž๋™์ฐจ ๋ฆฌ์ŠคํŠธ ๊ตฌํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/157343 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT CAR_ID, CAR_TYPE, DAILY_FEE, OPTIONS from CAR_RENTAL_COMPANY_CAR where OPTIONS like "%๋„ค๋น„๊ฒŒ์ด์…˜%" order by CAR_ID desc

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค]SQL ๊ณ ๋“์  Kit: ๊ณผ์ผ๋กœ ๋งŒ๋“  ์•„์ด์Šคํฌ๋ฆผ ๊ณ ๋ฅด๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/133025 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT FIRST_HALF.FLAVOR from FIRST_HALF join ICECREAM_INFO on FIRST_HALF.FLAVOR = ICECREAM_INFO.FLAVOR where TOTAL_ORDER > 3000 and ICECREAM_INFO.INGREDIENT_TYPE = 'fruit_based' order by TOTAL_ORDER desc

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ํ‰๊ท  ์ผ์ผ ๋Œ€์—ฌ ์š”๊ธˆ ๊ตฌํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/151136 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT round(avg(DAILY_FEE)) as AVERAGE_FEE from CAR_RENTAL_COMPANY_CAR where CAR_TYPE='SUV';

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ์กฐ๊ฑด์— ๋งž๋Š” ๋„์„œ ๋ฆฌ์ŠคํŠธ ์ถœ๋ ฅํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/144853 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT BOOK_ID, date_format(PUBLISHED_DATE, "%Y-%m-%d") as PUBLISHED_DATE from BOOK where year(PUBLISHED_DATE) = 2021 and CATEGORY = '์ธ๋ฌธ' order by PUBLISHED_DATE asc

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ์ธ๊ธฐ์žˆ๋Š” ์•„์ด์Šคํฌ๋ฆผ

https://school.programmers.co.kr/learn/courses/30/lessons/133024 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT FLAVOR from FIRST_HALF order by TOTAL_ORDER desc, SHIPMENT_ID asc

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : 12์„ธ ์ดํ•˜์ธ ์—ฌ์ž ํ™˜์ž ๋ชฉ๋ก ์ถœ๋ ฅํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/132201 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT PT_NAME, PT_NO, GEND_CD, AGE, if(TLNO is null, 'NONE', TLNO) as TLNO from PATIENT where GEND_CD = 'W' and AGE

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ํ‰๋ถ€์™ธ๊ณผ ๋˜๋Š” ์ผ๋ฐ˜์™ธ๊ณผ ์˜์‚ฌ ๋ชฉ๋ก ์ถœ๋ ฅํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/132203 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT DR_NAME, DR_ID, MCDP_CD, date_format(HIRE_YMD, "%Y-%m-%d") as HIRE_YMD from DOCTOR where MCDP_CD = "CS" or MCDP_CD = "GS" order by HIRE_YMD desc, DR_NAME asc

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ๊ฒฝ๊ธฐ๋„์— ์œ„์น˜ํ•œ ์‹ํ’ˆ์ฐฝ๊ณ  ๋ชฉ๋ก ์ถœ๋ ฅํ•˜๊ธฐ

https://school.programmers.co.kr/learn/courses/30/lessons/131114 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT WAREHOUSE_ID, WAREHOUSE_NAME, ADDRESS, if(FREEZER_YN is NULL, 'N', FREEZER_YN) as FREEZER_YN FROM FOOD_WAREHOUSE WHERE ADDRESS LIKE "๊ฒฝ๊ธฐ๋„%" ORDER by WAREHOUSE_ID asc

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] SQL ๊ณ ๋“์  Kit : ์ด๋ฆ„์ด ์—†๋Š” ๋™๋ฌผ์˜ ์•„์ด๋””

https://school.programmers.co.kr/learn/courses/30/lessons/59039 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr -- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š” SELECT ANIMAL_ID from ANIMAL_INS where NAME is null order by ANIMAL_ID

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