On Mon, 11 Feb 2019, Rich Shepard wrote:
All of you who responded drove home my need to explicitly enter null when there are no data for a column.
Correction: when there are no date data for a column. Rich
On Mon, 11 Feb 2019, Rich Shepard wrote:
All of you who responded drove home my need to explicitly enter null when there are no data for a column.
Correction: when there are no date data for a column. Rich