Managing JSON Tables
This section describes how to create, list, and delete JSON tables, alter JSON table attributes, set permissions, and manage column families. You can perform these operations using either the MapR-DB JSON Client API library or MapR-DB Shell commands.
MapR-DB JSON Client API
Use the methods in this interface to perform these tasks:
- Create JSON tables
- Alter JSON tables
- Delete JSON tables
- List JSON tables in a folder
- See if a JSON table exists
For a full list of methods, see the MapR Admin interface
Use the methods in this interface to perform these tasks:
- Create tables with non-default values for one or more of their parameters
- Alter tables
For a full list of interfaces and methods, see the MapR TableDescriptor interface.
MapR-DB Shell
The mapr dbshell is a tool for the creation and lightweight manipulation of JSON tables and
documents. To run dbshell, enter mapr dbshell
on the command line after
logging into a node in a MapR cluster. See MapR-DB Shell (JSON Tables) for more information.