CosmosDB is Microsoft's proprietary solution. According to [1] started already in 2010 to support their own online services. [1] https://azure.microsoft.com/en

CosmosDB is Microsoft's proprietary solution. According to [1] started already in 2010 to support their own online services. [1] https://azure.microsoft.com/en-us/blog/azure-cosmos-db-microsofts-globally-distributed-multi-model-database-service/ https://azure.microsoft.com/en-us/blog/azure-cosmos-db-micro...