Q. A relation project guidance Project Guidance(professor, project, student no. st-name, dept) A professor can give many projects to many students A project will have many students A project may be guided by many professors The 4 NF relation corresponding to this are

• (A) Prof_Project (professor, st_name, dept) Proj_stud (project, student no.)
• (B) Prof_stud (professor, student no) Proj_stud (project, student no)
• (C) Student (student no, st_name, dept) Student (student no, st_name, dept)
• (D) by putting dependent non-key attribute in a separate table