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Globally Distributed Database

Oracle Globally Distributed Database disperses segments of a data set across many databases (shards) onto different computers—on-premises or in the cloud. It enables globally distributed, linearly scalable, multimodel databases. It requires no specialized hardware or software. Oracle Globally Distributed Database does all this while rendering the strong consistency, full power of SQL, support for structured and unstructured data, and the Oracle Database ecosystem. It meets data sovereignty requirements and support applications that require low latency and high availability.

Innovate with Globally Distributed Database

See how Oracle enables hyperscalability across globally distributed databases.

Build internet-scale applications

Oracle BlueKai Data Management Platform uses Oracle Globally Distributed Database to store petabytes of data to scale to millions of transactions per second with a single database.

Meet data residency requirements (PDF)

Learn how to build a globally distributed database that meets demanding data residency requirements.

Why choose Oracle Globally Distributed Database?

Future-proof scalability for increased data volume and transaction processing

Eliminate performance bottlenecks while enabling linearly scaled database performance.

How Oracle builds internet-scale applications with Oracle Database (43:48)

Meet data compliance and residency demands

Ensures that data stays in a given geographical location. Facilitates a single global database, with data distributed across multiple regions.

Learn how to build a global database

Multicloud deployment

Use a shared-nothing architecture to meet data residency and data proximity requirements and protect databases from unplanned downtime.

Multicloud reference architecture

Faster processing for analytics

All shards are presented to an application as a single logical database, speeding query response time on extremely large data sets.

Learn more

Data pipeline

Data can be loaded on all shards in parallel at extremely high rates, which powers linearly scalable architecture for data ingest. Additionally, Oracle Globally Distributed Database can be used for event stream processing, Internet of Things (IoT, Oracle Cloud Infrastructure (OCI) Logging Analytics, metric store, and time series data, eliminating the need for a separate data pipeline.

Loading data into Oracle Globally Distributed Database

Data lake

Oracle Database is a converged database. It can store relational data and other types of unstructured or semistructured data, such as text, JSON, Graph, and Spatial. Oracle Globally Distributed Database can be used to store massive amounts of structured and unstructured data and to eliminate data fragmentation.

Sharding JSON documents collection

Globally Distributed Database features

Automated data distribution

Automated sharding and resharding of data

Oracle Globally Distributed Database automatically places data on the desired shard, saving time and eliminating manual data preparation.

  • Multiple sharding methods (system-managed and user-defined)
  • Composit sharding, which allows two levels of sharding with different sharding methods and keys
  • Parallel data ingestion on all shards
  • Parallel queries across all shards


Flexible sharding based on your needs

Shards can be added and removed and data can be resharded without any downtime or data loss.

  • Online addition and removal of shards
  • Automated resharding of data

Centralized administration

Centrally manage and monitor sharded databases as a single logical database

A shard catalog allows you to manage all shards in Globally Distributed Database as a single, logical database.

  • Setup and configuration of the sharded database
  • Addition and removal of shards
  • High-availability configuration
  • Database object management
  • Patching of shards
  • Detailed monitoring metrics
  • Security configuration

Automated application routing

Simplified application development

Oracle Globally Distributed Database is natively supported by Oracle Database client drivers. Developers can treat Globally Distributed Database as a single logical database, simplifying application development.

  • Automated request routing to shards
  • Automated routing of multishard requests to coordinator
  • Transaction support for multishard updates
  • Support for JDBC, OCI, .Net drivers
  • Automated failover to standbys
  • Support for FAN events
  • Automatic identification of sharding key (21 JDBC)

High availability

Zero unplanned or planned downtime

Oracle Globally Distributed Database has protection from unplanned outages and provides mechanisms for online planned operations, enabling applications to meet stringent availability SLAs.

  • Automated data replication
  • Automated failover
  • Fault isolation
  • Online patching and upgrade
  • Backup/recovery
  • Disaster protection

Persistent memory

Scale out persistent memory databases with Oracle Globally Distributed Database

Oracle Database 21c allows storing of all data and redo in local persistent memory (PMem). SQL runs directly on data stored in a mapped persistent memory file system, eliminating the IO code path to traditional disk storage.

  • Data consistency for writes on PMem
  • Reduced failover time
  • Optimized use of DRAM

Oracle Globally Distributed Database makes sharding seamless

Globally Distributed Database offers a seamless and efficient solution to accommodate a global user base and navigate diverse data regulations.

Easy administration

Globally Distributed Database presents all the shards as a single logical database. The centralized administration, managed through a shard catalog, offers a comprehensive view of the distributed database as a cohesive unit, minimizing complexities.

Simplified operations

Manual data sharding is eliminated with automatic data distribution, simplifying deployment by incorporating automatic sharding and resharding capabilities.

Streamlines application development

Automated routing capability streamlines application interfaces with the database as a unified logical entity and offers native support for database client drivers.

Customer success with Globally Distributed Database

Munich Re HealthTech gives customers insights and control with OCI
Epsilon improves scalability, performance, and availability with Oracle Sharding
Oracle BlueKai Data Management Platform uses Oracle Sharding to store petabytes of data to scale to millions of transactions per second with a single database

Oracle Globally Distributed Database

Experience Oracle Globally Distributed Database with Hands-On Labs

Oracle Globally Distributed Database resources



  • Product documentation
  • Customer-inspired reference architecture patterns
    Explore Oracle Cloud deployment architecture patterns, with best practices for scalability, availability, and security.

  • View patterns

Get started with Oracle Globally Distributed Database

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