|< < 15 > >|

Rename

Cartesian Product example, showing the rename explicitly.

The rename operator modifies column metadata, leaving the content of the input unchanged.

Relation R

Relation S

X Y

7 aaa

8 bbb

9 ccc

X Y

4 xxx

5 yyy

6 zzz

rename(R, [RX, RY]) × rename(S, [SX, XY])

|< < 15 > >|