drop table RULE_CRITERION if exists;
drop table PRINCIPAL_PERMISSION if exists;
drop table PA_METADATA_FIELDS if exists;
drop table PD_METADATA_FIELDS if exists;
drop table USER_ATTRIBUTE_REF if exists;
drop table USER_ATTRIBUTE if exists;
drop table SECURITY_CREDENTIAL if exists;
drop table SSO_SITE_TO_PRINCIPALS if exists;
drop table SSO_PRINCIPAL_TO_REMOTE if exists;
drop table SSO_SITE_TO_REMOTE if exists;
drop table SECURITY_USER_ROLE if exists;
drop table SECURITY_USER_GROUP if exists;
drop table SECURITY_GROUP_ROLE if exists;
