Database Restore from Native to Ironwood

Hi , I restore database from native to ironwood. All data have in database about student course enroll data but student loss course enrollment data in LMS. Please help me.!
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@Aye_Moh To make it easier for others to help you, you might want to provide more details. For example, which database(s) did you restore? Any errors in the logs, or during the restore operation? What prompted you to restore data in the first place? Etc.