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JSON compatibility
Applications that rely on JSON data can interact with the relational and non-relational data that is stored in HCL OneDB™ databases.

JSON compatibility
Applications that rely on JSON data can interact with the relational and non-relational data that is stored in HCL OneDB™ databases.
- About the HCL OneDB™ JSON compatibility
  You can access and combine relational and JSON data into a single application by using the HCL OneDB™ JSON compatibility features.
- Wire listener
  The wire listener is a mid-tier gateway server that enables communication between MongoDB clients and the HCL OneDB™ database server.
- JSON data sharding
  You can shard data with HCL OneDB™. Documents from a collection or rows from a table can be sharded across a cluster of database servers, reducing the number of documents or rows and the size of the index for the database of each server. When you shard data across multiple database servers, you also distribute performance across hardware. As your database grows in size, you can scale up by adding more shard servers to your shard cluster.
- MongoDB API
  The HCL OneDB™ support for MongoDB application programming interfaces and commands is described here.
- Manage time series through the wire listener
  You can create and manage time series through the wire listener. You interact with time series data through a virtual table.
- Troubleshooting HCL OneDB™ JSON compatibility
  Several troubleshooting techniques, tools, and resources are available for resolving problems that you encounter with HCL OneDB™ JSON compatibility.

JSON compatibility

Applications that rely on JSON data can interact with the relational and non-relational data that is stored in HCL OneDB™ databases.

The HCL OneDB™ wire listener provides JSON access to HCL OneDB™ through its MongoDB API compatibility, its REST API, and its MQTT protocol, all of which allow application developers to write applications accessing HCL OneDB™ data from any of those paradigms.

In addition to the wire listener providing an API compatibility layer for MongoDB, REST, and MQTT, the HCL OneDB™ database server also provides built-in JSON and BSON (binary JSON) data types which can also be accessed directly through SQL.