New Feature inmemory_size dynamic performance view 12c 오라클 뉴피처 설치 V$EVENT_NAME hybrid nid compression oracle 데이터가드 psu parameter dataguard recover install 패치 FBI 19c pagination Tuning 백업 ddl bp 복구 inmemory_area tts conflict paging 조나단루이스 recovery patch flashback asktom ENABLE_DDL_LOGGING memory columnar replay 충돌 optimization recommendation Performance rollback rman backup database broker storage perl patch conflict USER_IND_EXPRESSIONS online patch in-memory data dictionary view 11.2.0.4 change database name imcu 보안 브로커 파라미터 new features security index asm rownum rac