employee_dimension
This table contains information about all the people who work for the retail chain.
	This table contains information about all the people who work for the retail chain.
| Column Name | Data Type | NULLs | 
| employee_key | INTEGER | No | 
| employee_gender | VARCHAR(8) | Yes | 
| courtesy_title | VARCHAR(8) | Yes | 
| employee_first_name | VARCHAR(64) | Yes | 
| employee_middle_initial | VARCHAR(8) | Yes | 
| employee_last_name | VARCHAR(64) | Yes | 
| employee_age | INTEGER | Yes | 
| hire_date | DATE | Yes | 
| employee_street_address | VARCHAR(256) | Yes | 
| employee_city | VARCHAR(64) | Yes | 
| employee_state | CHAR(2) | Yes | 
| employee_region | CHAR(32) | Yes | 
| job_title | VARCHAR(64) | Yes | 
| reports_to | INTEGER | Yes | 
| salaried_flag | INTEGER | Yes | 
| annual_salary | INTEGER | Yes | 
| hourly_rate | FLOAT | Yes | 
| vacation_days | INTEGER | Yes |