Examine the following command; ALTER SYSTEM SET enable_ddl_logging = TRUE; Which statement is true?（）

• A、Only the data definition language (DDL) commands that resulted in errors are logged in the alert log file.
• B、All DDL commands are logged in the alert log file.
• C、All DDL commands are logged in a different log file that contains DDL statements and their execution dates.
• D、Only DDL commands that resulted in the creation of new segments are logged.
• E、All DDL commands are logged in XML format in the alert directory under the Automatic Diagnostic Repository (ADR) home.