oracle/MySQL

1.oracle 처음

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2.데이터제어어

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3.SQL

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4.제약조건

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5.DDL 데이터정의어

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6.오라클 SQL DML 데이터조작어

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7.조인 잔뜩있음. 실습도 잔뜩있음.. ORACLE 20220322

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8.SQL JOINS 조인

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9.PL/SQL

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10.ORACLE_함수

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11.인덱스 INDEX

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12.20220325 시험용

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13.트리거 TRIGGER

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