Google Cloud Datastore (Cloud Datastore) is a highly scalable, fully managed

NoSQL A NoSQL (originally referring to "non- SQL" or "non-relational") database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Such databases have existed ...

database service offered by

Google Google LLC () is an American multinational technology company focusing on search engine technology, online advertising, cloud computing, computer software, quantum computing, e-commerce, artificial intelligence, and consumer electronics. ...

on the

Google Cloud Platform Google Cloud Platform (GCP), offered by Google, is a suite of cloud computing services that runs on the same infrastructure that Google uses internally for its end-user products, such as Google Search, Gmail, Google Drive, and YouTube. Alongside ...

. Cloud Datastore is built upon Google's Bigtable 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 servers. ...

in 2008, Cloud Datastore was announced as a standalone product in 2013 during Google I/O. 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

Join Join may refer to: * Join (law), to include additional counts or additional defendants on an indictment *In mathematics: ** Join (mathematics), a least upper bound of sets orders in lattice theory ** Join (topology), an operation combining two topo ...

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