SQL query vs Dodeca Wiki

SQL 쿼리를 학습하고 테스트할 수 있는 사이트입니다. create, select, insert, update, delete, alter, drop 이 SQL명령어들을 'SQL쿼리학습' 앱 데이터베이스에서 제공되는 회사,학교 테이블을 이용하여 직접 SQL문을 입력하여 연습해보세요! 컴퓨터 자격증을 준비하시는 분들! SQL이 출제될때마다 포기하고 패스하지않으셨나요? 컴활, 정보처리 기능사/기사에서 출제되는 SQL 문제도 준비가 되어있습니다. 반복해서 연습하다보면 어렵지 않습니다!

Ask one question and you get one page — not a chat thread. Tap any word in the answer and the paragraph opens to explain that word in context. Tap a word inside the explanation and it opens again. Every branch you dig stays on the page, and the pages become a wiki that is yours. Dodeca sees knowledge as twelve regions — the twelve vertices of an icosahedron. A vertex lights up as you dig into that region. Spin the shape with your finger to pick a region and it hands you a question you didn't expect. Thirty per region. • Tap any word — not just the three underlined terms; every word in the body is a door • Highlighter — mark sentences in five colors and see them collected on the Knowledge tab • Review — the quiz at the end of each page becomes a card that comes back after a day, three, seven • Ask by photo or voice — photograph a page or just say the question • Graph — pages that share terms link on their own; drag, bounce, pinch • Widgets and sharing — today's question on your home screen; send any text you're reading into Dodeca • iCloud backup — your pages and review cards come back on a new device Your first few pages are free. When you need more, buy Dodeca Light or Dodeca Plus — one question is one step, and digging into words is included. Re-reading, reviewing, and highlighting what you have already made is never charged. Answers are written by an AI model from what it learned in training. Dodeca does not search the web, so it doesn't know today's news, prices, or schedules, and figures can be wrong. It is a tool for understanding ideas, not for checking the facts of the moment. Available in English, Japanese, and Korean. No account, no tracking, and your questions are not stored.