October 2024
Beginner to intermediate
392 pages
11h 5m
English
Content preview from ScyllaDB in Action
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12 Moving data in bulk with ScyllaDB
This chapter covers
- Reading an entire table efficiently via token-range queries
- Tracking changes to a table using change data capture
- Using tooling to migrate data into ScyllaDB
- Validating data via dual-reading to verify a data migration
Throughout the book, your queries have assumed the upstream user’s perspective: inserting a row at a time (or maybe multiple, if using a batch write) and reading a single partition of data. A database, however, isn’t only queried by a user-facing API. Your company may extract data for analysis into a centralized data warehouse, combining the Scylla data with other sources to query together. Alternatively, maybe you’re working to migrate some legacy data into Scylla; ...
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