--//Oracle 11.2.0 for Windows 버전 기준 --//SYSDBA로 접속 ex) C:\>SQLPLUS "/as sysdba" --//이하 SQL-Plus : SQL> @"C:\oracle\product\11.2.0\dbhome_1\sqlplus\admin\plustrce.sql" grant plustrace to [사용자]; --//======================================= conn [사용자]/[패스워드]; @"C:\oracle\product\11.2.0\dbhome_1\rdbms\admin\utlxplan.sql" --//PLAN 확인 set linesize 120; set autot on; select * from tab where rownum=1; ==..