I have excel file which is the source data with the below format.
Grade StudentId LA Math Science SocialStudies
1 1 1 NULL 1 1
1 2 NULL NULL NULL 1
and would like to store the data in the below table..Please suggest the transformation to load into the desired format.
Table:Student
StudentID Subject
-------- ------
1 LA
1 Science
1 Socialstudies
2 Socialstudies