Column Deltas
-ds dataset_deltas,-rd "2019-07-15" \-q "select * from nyse where run_dt = '2019-07-14'" \-lib "/opt/owl/drivers/postgres/" \-cxn postgres \-record "SYMBOL"
A simple way to see if distinct values in a given column are being added or dropped compared to the previous run
-record "SYMBOL"
In this example, if a new symbol is added or dropped it will appear in the Records section of the hoot page.
