[DB][SQL] ํ์ฌ ์ปฌ๋ผ์ ๊ฐ์ ์ฐ์ฐํ์ฌ Update ํ๊ธฐ ํ์ฌ ๋ฐ์ดํฐ * 2๋ก ์ปฌ๋ผ ๋ฐ์ดํฐ updqte ํ๋ ์ฟผ๋ฆฌ UPDATE table_name SET column_name = column_name * 2; DB 2024.04.18