The opinion of database developers is that using more than 1664 columns is bad
design, so that the current maximum number of columns is not onerous.
When I simply built applications on top of databases, I was of the same opinion.
However, now my job is to perform some sort of analysis on data fr
When being asked to convert a day of the week, the to_date() function returns
the same day ('0001-01-01 BC’) no matter which day is converted:
# select to_date(‘Monday’, ‘Day’)
'0001-01-01 BC’
# select to_date(‘Tuesday’, ‘Day’)
'0001-01-01 BC’
However, if it were to return a date that was that
