Employee				
company	process_level	emp_status	Adj_hire_date	employee
1	21211	               a	01/10/2013	212142
1	61216	               a	29/11/2012	212164
1	32313	               a	21/12/2102	121121
1	23242	               a	21/09/2013	214213
1	12121	               a	02/04/2013	231212
1	31232	               a	04/02/2013	312122
1	23242                  a	06/06/2012	112234
1	42232                  a	04/02/2013	121232
1	23231                  a	21/09/2013	212133
1	21322	               a	02/04/2013	121212
				
emphistory				
company	process_level	check_date	Employee	
1	12121	       15/10/2013	212142	
1	12121	       01/10/2013	212142	
1	61216	       04/10/2013	212164	
1	61216	       01/10/2013	212164	
1	32313	       03/10/2013	121121	
1	32313	       10/10/2013	121121	
1	12121	       04/10/2013	231212	
1	12121	       01/10/2013	231212	
1	23242	       03/10/2013	212142	
1	23242	       11/10/2013	212142