The same expression using intermediate relation and renaming of attribute and PROJECT. The general RENAME operation when applied to a relation of degree is denoted by Where the symbol (rho) is used to denote the rename operator,is the new relation name, and 1 2 are the new attribute names. The first expression rename both the relation and its attributes; the second renames the relation only; and the third renames the attributes only. If the attribute of are in that order, then each is renamed as .