๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

์˜ค๋ผํด๋ทฐ1

๐Ÿ“ VIEW(๋ทฐ) ๋ฌธ์ œ - 1 12345678910111213141516171819202122232425262728293031323334353637383940414243--๋ฌธ์ œ1) EMPLOYEES ํ…Œ์ด๋ธ”์—์„œ 20๋ฒˆ ๋ถ€์„œ์˜ ์„ธ๋ถ€ ์‚ฌํ•ญ์„ ํฌํ•จํ•˜๋Š” EMP_20--VIEW๋ฅผ ์ƒ์„ฑ ํ•˜๋ผCREATE VIEW EMP_20ASSELECT *FROM employeesWHERE department_id = 20;------------------------------------------------------------------SELECT *FROM EMP_20; -- ๊ฒฐ๊ณผ ํ™•์ธ์šฉ--------------------------------------------------------------------๋ฌธ์ œ2) EMPLOYEES ํ…Œ์ด๋ธ”์—์„œ 30๋ฒˆ ๋ถ€์„œ๋งŒ.. 2021. 2. 17.

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