Abstract: The thermal inertia of buildings brings considerable flexibility to the building heating and cooling loads, which is believed to be a promising demand response resource in energy systems.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

When we add y as non-aggregate, non-group by column, we also get a message we would expect if count_if were an aggregate function: Binder Error: column "y" must appear in the GROUP BY clause or must ...

SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

I tried to implement my own count aggregate. It works well for simple queries, generating the same result as the built-in count. However, all 0s in count's output becomes NULL if used in subqueries, ...

Function (Fn) keys – F1, F2, F3, etc., come in handy for those who are in dire need of shortcuts on their keyboards. Laptops are usually equipped with such keys but desktop keyboards, especially the ...