Snapshot variants:

EMPLOYEES:
   SSN        LAST_NAME FIRST_NAME ANNUAL_SALARY BIRTH_DATE
   111223333  Smith     Bob        6400          1932-04-07
   444332222  Brucks    Eric       32768         1969-01-06

INCUMBENTS:
   SSN        PCN
   111223333  137112
   444332222  120033

POSITIONS:
   PCN    JOB_TITLE_CODE1
   137112 130891 
   999071 141955 
   120013 132955 

JOB_TITLES:
   JOB_TITLE_CODE  JOB_TITLE 
   141955          Associate Director Computer Science
   130891          Professor of Computer Science
   110689          Head Department of Computer Science
   132955          Instructor Computer Science
