Google Cloud Datastore (Cloud Datastore) is a highly scalable, fully managed NoSQL database service offered by

Google Google LLC () is an American Multinational corporation, multinational technology company focusing on Search Engine, search engine technology, online advertising, cloud computing, software, computer software, quantum computing, e-commerce, ar ...

on the Google Cloud Platform. Cloud Datastore is built upon Google's

Bigtable Bigtable is a fully managed wide-column and key-value NoSQL database service for large analytical and operational workloads as part of the Google Cloud portfolio. History Bigtable development began in 2004.. It is now used by a number of Googl ...

and Megastore technology. Google Cloud Datastore allows the user to create databases either in Native or Datastore Mode. Native Mode is designed for mobile and web apps, while Datastore Mode is designed for new server projects.

History

Originally released as a feature in

Google App Engine Google App Engine (often referred to as GAE or simply App Engine) is a cloud computing platform as a service for developing and hosting web applications in Google-managed data centers. Applications are sandboxed and run across multiple server ...

in 2008, Cloud Datastore was announced as a standalone product in 2013 during

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. In 2018 at the Google Cloud Next conference, the second-generation Firestore database was opened to general availability, with a backward-compatibility mode. Google provides a path for automatically upgrading a legacy Datastore database to Firestore in Datastore mode.

GQL

Google Cloud Datastore database has a SQL-like syntax called "GQL" (Google Query Language). GQL does not support the

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statement. Instead, one-to-many and many-to-many relationships can be accomplished using ReferenceProperty(). This shared-nothing approach allows disks to fail without the system failing. Switching from a relational database to Cloud Datastore requires a paradigm shift for developers when modeling their data.

References

External links

Official website

Google Cloud Platform site
Cloud Datastore Cloud storage {{google-stub

History

GQL

See also

References

External links