Partition the catalogue into logical horizontal fragments
- Attributes of the books along with qualifiers can be used for this
- Locality of access
- Customer profiling
- e.g. science fiction books entries can be one fragment
Logical fragments represent the replication granularity
- e.g. replicate only the science fiction fragment
- Use index data structures to identiify data in various fragments
- Traditional clients are not affected
Get me all science fiction books!
I like only science fiction books!