What are the possible implications of having the same data stored in multiple databases?

Question

Having the same data stored in two or more separate places can protect an organization in the event of a cyberattack or breach — an event which can result in lost time and money, as well as a damaged reputation.

What is the consequence if a piece of data is stored in two places in the database?

Data redundancy is a condition created within a database or data storage technology in which the same piece of data is held in two separate places.

Is it okay to use multiple databases?

Good reasons to create separate databases would be to support different availability requirements or simplify administration. For example if your databases require very different backup schedules or different recovery models. Another reason would be if you may want to run them on different instances.

What are the challenges of using multiple data sources?

Here are three challenges generally faced by organizations when integrating heterogeneous data sources as well as ways to resolve them:Data Extraction.Data Integrity.Scalability.

What are the disadvantages of data redundancy?

Data Redundancy DisadvantagesAllows for data corruption caused by damage or errors sustained during the process of storage and transfer of data across multiple locations.Increases data maintenance costs by requiring multiple copies of the same content to be maintained with costly data management programs.

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