Here you have the DDL activities accepted by Oracle.
BEFORE / AFTER ALTER
BEFORE / AFTER ANALYZE
BEFORE / AFTER ASSOCIATE STATISTICS
BEFORE / AFTER AUDIT
BEFORE / AFTER COMMENT
BEFORE / AFTER CREATE
BEFORE / AFTER DDL
BEFORE / AFTER DISASSOCIATE STATISTICS
BEFORE / AFTER DROP
BEFORE / AFTER GRANT
BEFORE / AFTER NOAUDIT
BEFORE / AFTER RENAME
BEFORE / AFTER REVOKE
BEFORE / AFTER TRUNCATE
AFTER SUSPEND
References:
http://psoug.org/reference/ddl_trigger.html[
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