'cust_bill_pkg_detail' => [],
#add necessary columns to RT schema
'TicketSystem' => [],
'cust_bill_pkg_detail' => [],
#add necessary columns to RT schema
'TicketSystem' => [],
#remove possible dangling records
'password_history' => [],
'cust_pay_pending' => [],
#remove records referencing removed things with their FKs
'pkg_referral' => [],
'cust_bill_pkg_discount' => [],
#remove possible dangling records
'password_history' => [],
'cust_pay_pending' => [],
#remove records referencing removed things with their FKs
'pkg_referral' => [],
'cust_bill_pkg_discount' => [],