audit table;
audit table by xxx(username);
audit table by xxx(username) whenever not successful;
系统表：
DBA_STMT_AUDIT_OPTS
stmt_audit_option_map
aud$
audit$
AUDIT_ACTIONS
dba_priv_audit_opts
oracle审计的格式
原文：https://www.cnblogs.com/fanweisheng/p/11113496.html
