[Self Q&A] 긴가민가 헷갈리는 것들

Q. DB와 연결할 때 Prepared Statement로 SQL문 작성할 때, pstmt.setString(1, buser_name)

String buser_name;

pstmt.setString(1, buser_name);			→ O
pstmt.setString(1, "'" + buser_name + "'");	→ X