21.02.25 (๋ชฉ)

Updated:

์˜ค๋Š˜ ํ•  ์ผ (๊ณ„ํš)

  • ์ด๊ฒƒ์ด ์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ๋‹ค ๊ตฌํ˜„ ์˜ˆ์ œ ํ’€๊ธฐ
  • ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 3 ๋ฌธ์ œ ํ’€๊ธฐ
  • SQL ๋ฌธ์ œ ํ’€๊ธฐ
  • ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ ์ฑ… ํ›‘์–ด๋ณด๊ธฐ
  • FIFA-Online-TMI

์˜ค๋Š˜ ํ•œ ์ผ

  • ์ด๊ฒƒ์ด ์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ๋‹ค ๊ตฌํ˜„ ์˜ˆ์ œ ํ’€๊ธฐ

  • ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 3 ๋ฌธ์ œ ํ’€๊ธฐ

    [Programmers]ย ๋‹จ์–ดย ๋ณ€ํ™˜

  • SQL ๋ฌธ์ œ ํ’€๊ธฐ

    1. SELECT ANIMAL_TYPE, COUNT(ANIMAL_TYPE) count FROM ANIMAL_INS GROUP BY ANIMAL_TYPE ORDER BY ANIMAL_TYPE ASC
    2. SELECT NAME, COUNT(NAME) COUNT FROM ANIMAL_INS GROUP BY NAME HAVING COUNT(NAME) >= 2 ORDER BY NAME ASC
    3. SELECT HOUR(DATETIME) as HOUR, COUNT(HOUR(DATETIME)) as COUNT FROM ANIMAL_OUTS GROUP BY HOUR HAVING HOUR BETWEEN 9 and 19 ORDER BY HOUR ASC

๋‚ด์ผ ํ•  ์ผ

  • ์ด๊ฒƒ์ด ์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ๋‹ค ์˜ˆ์ œ ํ’€๊ธฐ
  • ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 3 ๋ฌธ์ œ ํ’€๊ธฐ
  • SQL ๋ฌธ์ œ ํ’€๊ธฐ

์ด๋ฒˆ์ฃผ ํ•  ์ผ

  • ์ด๊ฒƒ์ด ์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ๋‹ค ๋ฌธ์ œ ํ’€๊ธฐ
  • FIFA-Online-TMI
  • SQL ๋ฌธ์ œ ํ’€๊ธฐ
  • ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ ํ•„๊ธฐ ๊ณต๋ถ€



Categories:

Updated:

Leave a comment