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.
Report Abuse A wind breaker, a sweatshirt and long pants are highly recommended for August in San Francisco. Of course if you are venturing into the central valley then shorts and very light weight tops would be appreciated. It could be over 100F in the Valley and only in the 60's in San Francisco on the same day. So the advice is to pack layers.