nologging mode 生效的場合

 
The following operations can make use of nologging mode:

- direct load (SQL*Loader)
- direct-load INSERT
- CREATE TABLE ... AS SELECT
- CREATE INDEX
- ALTER TABLE ... MOVE PARTITION
- ALTER TABLE ... SPLIT PARTITION
- ALTER INDEX ... SPLIT PARTITION
- ALTER INDEX ... REBUILD
- ALTER INDEX ... REBUILD PARTITION
- INSERT /*+APPEND*/ INTO AS SELECT ...
- INSERT, UPDATE, and DELETE on LOBs in
      NOCACHE NOLOGGING mode stored out of line