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Chapter 10. Global Sequences

Table of Contents
10.1. Purpose of global sequences
10.2. When to use global sequences
10.3. Using global sequences
10.4. Listing global sequences
10.5. Global sequence limitations
10.6. Global sequence voting
10.7. Traditional approaches to sequences in distributed DBs
10.7.1. Step/offset sequences
10.7.2. Composite keys
10.7.3. UUIDs

BDR global sequences provide an easy way for applications to use the database to generate unique synthetic keys in an asynchronous distributed system.

Global sequences should be considered deprecated. See When to use global sequences and Global Sequence Limitations. Most deployments are better off using step/offset sequences as described in