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data_dictionary.md

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Objective:

This file describes all the columns in the fact and dimensions tables

  • Immigrant_fact table:
NAME DESCRIPTION
id citizen id
visa_id the citizen visa issuance number
gender the gender of the citizen
addmission number the number represented when admitted
airport id the code of the ariport of entry
state code the postal code of the citizen's state
arrdate the citizen's arrival date into the usa
City the citizen's residency city
i94visa the tier of visa
Race the majority race of the city
  • VISA_DIM:
NAME DESCRIPTION
visa id the citizen visa issuance number
visa type the type of visa issued to individual
i94visa the tier of visa issued
visa post the place where the visa was issued
  • TEMP_DIM:
NAME DESCRIPTION
date latest recorded temperature date
average temperature the average temperature of the city
Country The country where the data is recorded
City The city where the data is recorded
state_code the postal code of the city
  • DEMO_DIM:
NAME DESCRIPTION
City The city where the data is recorded
state The state where the city resides
average_age the average age of city's residents
population the population of the city
foriegn_born the number of people born outside of us
Race the majority race of the city
state_code the state postal code
race_count the count of people of color in the state
  • AIRPORT_DIM:
NAME DESCRIPTION
airport_id the code of airport
airport_type the type of intended airport
airport_name the name of the airport
region the state where the airport exists
  • TIME_DIM:
NAME DESCRIPTION
arrdate the arrival date of the citizen to the us
date the fully formated date
year the year of arrival
month the month of arrival
day the day of arrival