Relation:stack
Returns information about the current relations in the stack.
Description
stack
Parameters
None
Examples
| stack | cardinality | column |
|---|---|---|
| 1 | 9 | director |
| 1 | 9 | film |
| 1 | 9 | year |
| 2 | 3 | year |
| 2 | 3 | film |
| 2 | 3 | director |
| 3 | 1 | film_count_avg |
Comments
The instruction returns a relation. Use print to show it.