Both QUALIFY and reusing an alias is Teradata specific. Your try with HAVING is failing, because this is the logical sequence of processing a query: To resolve this you have to use a Derived Table/Inline View and move the QUALIFY condition into the outer WHERE. The same technique must be used when you want to reuse an alias. EDIT: The 2nd query can be rewritten as:
Whether youâre trying to figure out what to pack for San Francisco in July or March, your packing list will stay more or less the same. Be sure to always bring a warm jacket, cooler layers, activewear, a day pack, sunscreen, and comfortable shoes.
A sailboat makes its way across San Francisco Bay in front of the north tower of the Golden Gate Bridge on Wednesday. Heavy clouds and fog engulfed the San Francisco skyline and Golden Gate Bridge after a small storm showered the Bay Area in San Francisco, Calif., on Wednesday, October 28, 2015. less.