Checking class_participants table structure...
Columns in class_participants table:
- id (bigint(20) unsigned)
- class_id (bigint(20) unsigned)
- user_id (bigint(20) unsigned)
- status (enum('enrolled','attending','completed','dropped'))
- nilai_institusi (decimal(5,2))
- nilai_lahan (decimal(5,2))
- nilai_akhir (decimal(5,2))
- catatan_dosen (text)
- nilai_pembimbing (decimal(5,2))
- catatan_pembimbing (text)
- catatan_lahan (text)
- bukti_nilai_pembimbing_path (varchar(255))
- bukti_nilai_pembimbing_name (varchar(255))
- bukti_nilai_pembimbing_size (bigint(20))
- bukti_nilai_path (varchar(255))
- bukti_nilai_name (varchar(255))
- bukti_nilai_size (bigint(20))
- created_at (timestamp)
- updated_at (timestamp)

Testing query...
Total records in class_participants: 121
Query test successful!