Question

What is fragment of relation? What are the main types of fragmentation?

Answer 1

Data can be stored in different computers by fragmenting the whole database into several pieces called fragments. Each piece is stored at a different site. Fragments are logical data units stored at various sites in a distributed database system.

There are three different but related forms of fragmentation: external fragmentation, internal fragmentation, and data fragmentation, which can be present in isolation or conjunction.

Answer 2

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Fragmentation is the task of dividing a table into a set of smaller tables. The subsets of the table are called fragments. Fragmentation can be of three types: horizontal, vertical, and hybrid (combination of horizontal and vertical).

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