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https://mongroy.tistory.com/51 Spring을 하기 위한 기초SQL 언어 종류  DDL(Data Definition Language) CREATE, ALTER, DROP, RENAME DML(Data Manipulation Language) INSERT, UPDATE, DELETE, SELECT DCL(Data Control Language) GRANT, REVOKE, TRUNCATE TCL(Transaction Control Language) COMMIT, ROLmongroy.tistory.com

SQL 언어 종류& 명령어들 DDL (Data Definition Language)CREATE, ALTER, DROP, RENAME  DML (Data Manipulation Language)INSERT, UPDATE, DELETE, SELECT DCL (Data Control Language)GRANT, REVOKE, TRUNCATE  TCL (Transaction Control Language)COMMIT, ROLLBACK, SAVEPOINT  JdbcTemplate :DB 작업의 과정을 줄여주기 위해 제공되는 클래스 멤버변수 DataSource dataSource : 연결 관리/ 주로 Spring의 의존성 주입을 통해 주입 주요 메서드update(String sql, Object... args): ..