15586809
Description
Mind Map by Parag Gawde, updated more than 1 year ago
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Created by Parag Gawde
about 6 years ago
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Fragmentation
- Horizontal Fragmentation
- Horizontal fragmentation divides a
relation(table) horizontally into the
group of rows to create subsets of
tables.
- Horizontal fragmentation divides a
relation(table) horizontally into the
group of rows to create subsets of
tables.
- Vertical Fragmentation
- Vertical fragmentation divides a
relation(table) vertically into groups
of columns to create subsets of
tables.
- Vertical fragmentation divides a
relation(table) vertically into groups
of columns to create subsets of
tables.
- Hybrid Fragmentation
- Hybrid fragmentation can be achieved by performing
horizontal and vertical partition together. Mixed
fragmentation is group of rows and columns in relation.
- Hybrid fragmentation can be achieved by performing
horizontal and vertical partition together. Mixed
fragmentation is group of rows and columns in relation.
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