These functions return the number of rows and fields of a previously loaded table, respectively. 

The following example shows the use of these functions:

MyData:
Load
  WeekDay,
    RecNo() AS RecNo,
    RowNo() As RowNo
Inline [
WeekDay
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
]
where WeekDay <> 'Tuesday';

LET vNoOfRows = NoOfRows('MyData');
LET vNoOfFields = NoOfFields('MyData'); 

TRACE NoOfRows() returns 6;
TRACE ;
TRACE NoOfFields() returns 3;

Exit Script;