Manipulating data with the Core (SQL) API

The most common API for working with data in Azure Cosmos DB is Core (SQL).

The full documentation for the Core (SQL) API can be found at the following link: https://learn.microsoft.com/en-us/azure/cosmos-db/sql/.

Performing CRUD operations with the Cosmos SQL API

You can perform CRUD operations on JSON documents in Cosmos with the SQL API by calling the following most common overloads of methods on an instance of the Microsoft.Azure.Cosmos.Container class:

• ReadItemAsync<T>(id, partitionKey): Where T is the item type to get, id is its unique identifier, and partitionKey is its partition key value.
• ReadManyItemsAsync<T>(idsAndPartitionKeys): Where T is the item type to get, and idsAndPartitionKeys are the unique identifiers and partition key values of a read-only list of items to retrieve.
• CreateItemAsync(object): Where object is an instance of the item type to insert.
• DeleteItemAsync...