Show me the detail of all the customer master indices.
select cmi_details from customer_master_index
Show me the id of those whose detial is not 'Schmidt, Kertzmann and Lubowitz'.
select master_customer_id from customer_master_index where cmi_details != 'Schmidt, kertzmann and Lubowitz'
What are the renting arears tax ids related to them?
select t1.council_tax_id from rent_arrears as t1 join cmi_cross_references as t2 on t1.cmi_cross_ref_id = t2.cmi_cross_ref_id join customer_master_index as t3 on t3.master_customer_id = t2.master_customer_id where t3.cmi_details != 'Schmidt, kertzmann and Lubowitz'