예시로 하나 @Test public void search(){ Member result = query.selectFrom(m) .where(m.username.eq("member1").and(m.age.eq(10))) .fetchOne(); assertThat(result.getUsername()).isEqualTo("member1"); } 지금은 조건문은 eq, 조건 연결문?은 and만 썼는데, 엄청 많음 m.username.eq("member1") // username = 'member1' m.usernmae.ne("member1") // username != 'member1' 즉 not equal m.username.eq("member1").not() // username != 'member1' 기..