Data for 10 Employees

Starting Table

EID

MID

Salary

StartDate

EndDate

1 0 £10.00 01/01/1990 25/03/1991
1 0 £10.00 26/03/1991 16/12/1991
1 0 £11.00 17/12/1991 23/08/1992
1 0 £11.00 24/08/1992 30/01/1994
1 0 £11.00 31/01/1994 15/01/1995
2 1 £6.00 01/01/1990 22/02/1991
2 1 £7.00 23/02/1991 03/02/1992
2 1 £7.00 04/02/1992 03/04/1993
2 1 £8.00 04/04/1993 28/05/1994
2 1 £7.00 29/05/1994 09/11/1995
3 2 £2.00 01/01/1990 19/01/1991
3 2 £2.00 20/01/1991 11/11/1991
3 2 £3.00 12/11/1991 03/06/1992
3 2 £1.00 04/06/1992 08/11/1993
3 2 £3.00 09/11/1993 10/11/1994
4 2 £2.00 01/01/1990 07/04/1991
4 2 £3.00 08/04/1991 13/01/1992
4 2 £11.00 14/01/1992 17/07/1992
4 2 £1.00 18/07/1992 04/07/1993
4 2 £3.00 05/07/1993 04/03/1994
5 2 £10.00 01/01/1990 18/04/1991
5 2 £2.00 19/04/1991 13/09/1992
5 2 £1.00 14/09/1992 13/02/1994
5 2 £1.00 14/02/1994 21/07/1995
5 2 £3.00 22/07/1995 10/11/1996
6 2 £2.00 01/01/1990 04/02/1991
6 2 £2.00 05/02/1991 06/03/1992
6 2 £1.00 07/03/1992 20/04/1993
6 2 £1.00 21/04/1993 13/09/1994
6 2 £3.00 14/09/1994 21/03/1995
7 2 £1.00 01/01/1990 11/12/1990
7 2 £2.00 12/12/1990 15/01/1992
7 2 £1.00 16/01/1992 15/05/1993
7 2 £10.00 16/05/1993 28/05/1994
7 2 £9.00 29/05/1994 29/01/1995
8 2 £1.00 01/01/1990 22/10/1990
8 2 £2.00 23/10/1990 04/03/1992
8 2 £2.00 05/03/1992 21/02/1993
8 2 £2.00 22/02/1993 17/02/1994
8 2 £1.00 18/02/1994 10/09/1994
9 2 £2.00 01/01/1990 08/09/1990
9 2 £3.00 09/09/1990 19/01/1992
9 2 £2.00 20/01/1992 20/01/1993
9 2 £11.00 21/01/1993 28/10/1993
9 2 £2.00 29/10/1993 24/08/1994
10 2 £3.00 01/01/1990 23/07/1990
10 2 £2.00 24/07/1990 03/04/1991
10 2 £2.00 04/04/1991 01/04/1992
10 2 £9.00 02/04/1992 26/10/1992
10 2 £2.00 27/10/1992 05/05/1993

After T-Join

EID

StartDate

EndDate

4 14/01/92 03/02/92
4 04/02/92 17/07/92
5 01/01/90 22/02/91
5 23/02/91 18/04/91
7 16/05/93 28/05/94
7 29/05/94 29/01/95
9 21/01/93 03/04/93
9 04/04/93 28/10/93
10 02/04/92 26/10/92 

Results

EID

StartDate

EndDate

4 14/01/92 17/07/92
5 01/01/90 18/04/91
7 16/05/93 29/01/95
9 21/01/93 28/10/93
10 02/04/92 26/10/92