How to answer a question about data migration?
By asking this question, the interviewer is testing your knowledge about different terms and processes involved with data migration. If you are experienced in this field, you should have no problem responding to this question. Keep your answer brief and allow the interviewer to ask a follow-up question if they need more information.
What do employers want to know during a DBA interview?
During a DBA interview, employers want to determine if you can satisfy these tasks and help the organization run smoothly. In this article, you’ll discover what you need to prepare for your interview as well as DBA interview questions and examples.
What happens to DBAs when we move to the cloud?
The development DBA job role is incredibly valuable in the cloud. See, on premises, when I tune a query, the company doesn’t get a refund for those unused CPU cycles. They can’t instantly downgrade from Enterprise Edition to Standard Edition and get their licensing money back. In the cloud, they can.
Why does an organization need a data migration?
Organizations undertake data migrations for a number of reasons. They might need to overhaul an entire system, upgrade databases, establish a new data warehouse, or merge new data from an acquisition or other source. Data migration is also necessary when deploying another system that sits alongside existing applications.
Is there an out of the box data migration?
The reality of data migration is this: there is almost never an “out-of-the-box” way to do it. Every system has different ways of storing data and mapping information. This means that most data migrations become custom development work, which can be very expensive and time-consuming.
Is it necessary to migrate data from one place to another?
Data migration—which may seem like an obvious course of action or even a necessity—is not as seamless, cost-effective, or necessary as one might believe. If not carefully considered, it can actually result in utter frustration and an extremely poor use of your time and money.
What does full load mean in data migration?
“In the context of data migration, the initial load is the process for populating all data warehousing tables for the first time. Full load also refers to the first time a data warehouse is populated. However, using the full load process, all the records are loaded in one batch after all the contents of the table have been erased.”