Database

1.Database(데이터베이스)

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2.ORACLE - 그룹함수 및 실전문제

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3.SELECT - 형변환 함수, 그룹함수 GROUP BY & HAVING

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4.SELECT - JOIN

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5.SELECT - SET OPERATOR(집합연산자)

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6.SELECT - SUBQUERY

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7.DML(INSERT,UPDATE,DELETE), DDL(CREATE,ALTER,DROP) 이론

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8.ORACLE CREATE 실습

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9.DML, DDL 실습문제

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10.OBJECT 실습 - SEQUENCE 이용

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11.PL/SQL - 익명블록(Anonymous Block) , IF-ELSE

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12.ERDCLOUD, TRIGGER 활용해서 도서대여 시스템 실습

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