Olap cubes and data warehouse are Different(in diagram it is marked together ). Data warehouse warehouse persist data , in Bigdata it will be in data lake gold layer.
Hi, i am stuck in a situation where I am working with an MNC on a totally different tool.. i graduated in 2019 (btech - computer science). Currently I am working in operations, i want to switch my career towards big data, i have so many doubts like it's been almost 3 years , will the interviewed reject me on the first place that u r late? Also if they will ask me for any project i don't have any. Things are getting frustrating for me.. need ur guidance