HTTP/REST is probably the most used protocol to exchange data between different services, especially in today's microservice world...
April 4, 2015 by Roberto Congiu
Sometimes you need to create denormalized data from normalized data, for instance if you have data that looks like CREATE TABLE flat ( propertyId string, propertyName String, roomname1 string, roomsize1 string, roomname2 string, roomsize2 int, .. ) but we want something like CREATE TABLE nested ( propertyId string, propertyName string, rooms <array<struct<roomname:string,roomsize:int>> ) […]
March 12, 2019 by rcongiu
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