-- generado a partir de xot ALTER TABLE _product_measure_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_file_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _alien_entity_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_measure_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _category_entity_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _bank_account_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _account_plan_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _employee_comm_client_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _employee_comm_prod_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_relation_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _document_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_name_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _tax_formula_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _tax_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _credit_card_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_attribute_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _task_status_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _relation_types_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _tax_profile_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _own_pos_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _own_branch_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _bank_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _obligation_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_code_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _logical2physical_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _price_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _role_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _alien_storehouse_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _persona_tax_profile_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _employee_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _employee_comm_prod_client_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _task_priority_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_tax_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _bank_branch_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _address_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _relation_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _physical_structure_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _logical_structure_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _currency_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _country_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _organization_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _file_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _credit_limit_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _ticket_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _own_entity_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _own_storehouse_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_store_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _ticket_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _provider_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _barter_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _price_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_uid_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _comm_prod_client_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_code_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _task_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _contact_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_types_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _own_pos_document_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_name_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _credit_card_plan_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_structure_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _employee_role_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _erm_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _address_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _persona_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_currency_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_classification_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _entity_uid_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _commission_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _client_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _category_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _barter_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _product_provider_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _category_attribute_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC'; ALTER TABLE _movement_type_data ALTER COLUMN _start_t SET DEFAULT '1970/1/1 00:00:00 UTC';