Spanner is a fully managed, mission-critical database service that brings together relational, graph, key-value, and search. It offers transactional consistency at global scale, automatic, synchronous replication for high availability, and support for two SQL dialects: GoogleSQL (ANSI 2011 with extensions) and PostgreSQL.
Go to the Spanner product page for more.
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Google Cloud Fundamentals: Core Infrastructure
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Architecting with Google Cloud: Design and Process
This course features a combination of lectures, design activities, and hands-on labs to show you how to use proven design patterns on Google Cloud to build highly reliable and efficient solutions and operate deployments that are highly available and cost-effective.