Explanation:
SQL*Loader can load data from a disk, type, or named pipes. Also it can load data from external files into tables in an Oracle database. Incorrect Answer:
2: SQL*Loader cannot use DML statements.
3: It does not extract, reorganize, and insert data within an Oracle database.
5: SQL*Loader cannot use operating system commands to load data .
6: It does not load data directly from a non-Oracle database to an Oracle database.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 449-462
Chapter 19: Loading Data into a database

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