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.
SAN FRANCISCO â March 15 is the Ides of March. But there's no need to be on guard. Julius Caesar probably should have been. But then, he blew off the soothsayer who told him to beware the Ides of March in the first act of Shakespeare's play. You might remember from English class that things didn't go so well for him.