1) Is there any method to delete Column?
No.
2) Has aColSpec more than one field? for example {{"name", "C", 100,0}, {"telefon","C",20,0}
Only one column.
3) Is AlterColumn means can change type, len, dec for a specified fieldname?
Yes.
1) Is there any method to delete Column?
2) Has aColSpec more than one field? for example {{"name", "C", 100,0}, {"telefon","C",20,0}
3) Is AlterColumn means can change type, len, dec for a specified fieldname?