Question: Data Type for ORIGIN _ AIRPORT and DESTINATION AIRPORT ( 3 characters each ) Similar to IATA _ CODE data type check for AirlinesStaging. Range

Data Type for ORIGIN_AIRPORT and DESTINATION AIRPORT (3 characters each)
Similar to IATA_CODE data type check for AirlinesStaging.
Range Constraints for Clock Times
The clock time columns are shown below:
SCHEDULED_DEPARTURE
DEPARTURE_TIME
WHEELS_OFF
WHEELS_ON
SCHEDULED_ARRIVAL
ARRIVAL_TIME

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