Click on the name , which record you need to delete / change
#1. [abase table="marks_data" columns="id,Name,Year,Semester,Subject,Subject_Code" rlink="Name" echo="blue"]
Confirm the record and Delete. Afterwards you can add required record using the add record feature
#2. [abase form="1,update" table="marks_data" elements="Name,Course,Year,Semester,Subject,Maximum_Marks, Assigned_Marks,Subject_Code" fields="Name,Course,Year,Semester,Subject,Maximum_Marks, Assigned_Marks,Subject_Code$Update" ack="brown" echo="blue"]