I have multiple records such these:
fieldMedia = serie 1
fieldOriginalTitle = story1
fieldTranslatedTitle = thisepisode1
fieldMedia = serie 1
fieldOriginalTitle = story1
fieldTranslatedTitle = thisepisode2
fieldMedia = serie 1
fieldOriginalTitle = story1
fieldTranslatedTitle = thisepisode3
fieldMedia = serie 2
fieldOriginalTitle = story2
fieldTranslatedTitle = thisepisode1
fieldMedia = serie 2
fieldOriginalTitle = story2
fieldTranslatedTitle = thisepisode2
at the end, I would like to obtain :
fieldMedia = serie 1
fielddescription = story1 - story 2 - story3
fieldMedia = serie 2
fielddescription = story4 - story 5
no matter about other fields, my problem is to recognize "new" records from "old" so that, in a next step, I could delete "old" records.
Sorry fon my english, I understand my difficulties to explain problem but I could give you examples of "new" and "old" DB .....
