[Index Tunning] Random Access 제거

1. 실습환경 생성 Linux oracle1 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux Memory 4G 1-1. Tablespace 및 계정생성 create tablespace dbms_data datafile '/app/oradata/dbms_data001.dbf' size 4G autoextend off; create temporary tablespace dbms_temp tempfile '/app/oracle/cfgtoollogs/orcl/dbms_temp001.dbf' size 1G autoextend off; create user dbms_test identified by "or..