Furniture retail in the United States is a very important aspect for the country's economy. The global home goods industry refers to the manufacture, distribution and retail of home furniture ...
CREATE FUNCTION defines a new function. CREATE OR REPLACE FUNCTION will either create a new function, or replace an existing definition. To be able to define a function, the user must have the USAGE ...
Mathematical operators are provided for many PostgreSQL types. For types without standard mathematical conventions (e.g., date/time types) we describe the actual behavior in subsequent sections.