Dear Experts,
I'm facing problem to create new measure to count distinct record in business layer.
My data stored as below:
| Per_ID | Year | Month | Department | Subject | Generation |
| 1 | 2008 | December | D. Computer | HTML | 10 |
| 1 | 2008 | Janaury | D. Math | Mathematics | 10 |
| 1 | 2008 | June | D. General | Social Comunication | 10 |
| 1 | 2008 | March | D. Computer | C Language | 10 |
| 1 | 2008 | September | D. Computer | C++ Language | 10 |
| 2 | 2008 | April | D. Computer | MS Word | 10 |
| 2 | 2008 | January | D. Math | Mathematics | 10 |
| 2 | 2008 | June | D. General | General English | 10 |
| 2 | 2008 | September | D. General | Social Communication | 10 |
| 3 | 2009 | February | D. General | General English | 11 |
| 3 | 2009 | Janaury | D. Math | Mathematics | 11 |
| 3 | 2009 | March | D. General | Social Comunication | 11 |
I need to create new measure that count number of student by distinct base on Per_ID.
I need result like that:
2008 have only 2 students.
2009->D.General have only 1 student.
January->D. Math have only 3 students.
How should I do with this problem?
Please help me if you have any suggestion.
Best regards,
Chenna Yon