This follows on Microsoft’s making Azure Database for MySQL and Azure Database for PostgreSQL generally available in March 2018 and its acquisition in June of GitHub for $7.5 billion. Citus is available as a fully-managed database as a service, as enterprise software, and as a free open source download. “Working together, we will accelerate the delivery of key, enterprise-ready features from Azure to PostgreSQL and enable critical PostgreSQL workloads to run on Azure with confidence,” Rohan Kumar, corporate VP of Azure Data, said in a prepared statement.