Column Name  | Data Type  | Description  | 
host_id  | NUMBER  | Foreign key to host details  | 
host_name  | STRING  | Host name  | 
log_date  | DATE  | Log date  | 
logical_unit_id  | NUMBER  | Foreign key to aps_logical_unit  | 
logical_unit_name  | STRING  | Name of the logical unit  | 
policy_id  | NUMBER  | Foreign key to policy details  | 
policy_name  | STRING  | Name of the backup policy  | 
policy_priority  | NUMBER  | Priority of the backup policy  | 
storage_array_id  | NUMBER  | Foreign key to aps_storage_array  | 
storage_array_name  | STRING  | Name of the storage array  | 
total_gb  | NUMBER  | Total capacity in Gigabytes  | 
unit_cost  | NUMBER  | Unit cost  |