Returns the label associated with a given column of a table slot.
Type
STRING
Arguments
Type
Meaning
1
SLOT
A table slot
2
NUMERIC
The column index (0-based).
Evaluation
Returns the label of the column of the table slot which has the given index.
Comments
It is an error to provide an illegal index (e.g., an index of 4 with a table which has only 4 columns). If the column index is legal but there is no label for that column, then the empty string is returned: "".
