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.
Become a Priceonomics customer. On May 12, 1848, a store owner named Sam Brannan held a âone-man paradeâ to announce the start of the San Francisco Gold Rush. âGold! Gold from the American River!â Brannan shouted up and down Market Street in San Francisco. He held his hat in one hand and waved a bottle of gold dust in the other.