AWS Certified 2026 vs SQL query

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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!