Help Center/ Data Warehouse Service / SQL Syntax Reference/ SQL Syntax Reference (9.1.1.x)/ DDL Syntax/ DROP NODE GROUP
Updated on 2025-10-10 GMT+08:00
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DROP NODE GROUP

Function

DROP NODE GROUP deletes a node group.

Precautions

  • DROP NODE GROUP is the internal interface encapsulated in the cluster management tool.
  • This interface is available only to administrators.

Syntax

1
 
DROP NODE GROUP groupname [DISTRIBUTE FROM src_group_name];

Parameter Description

Table 1 DROP NODE GROUP parameters

Parameter

Description

Value Range

groupname

Specifies the name of the node group to be deleted.

An existing node group.

DISTRIBUTE FROM src_group_name

If the node group to be deleted originated from the node group specified by src_group_name, set src_group_name to specify the source node group, to which the node information should be synchronized after redistribution.

This statement is used only for redistribution during scale-out. You are not advised to use it, because it may lead to data distribution errors or Node Group unavailability.

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Helpful Links

CREATE NODE GROUP, ALTER NODE GROUP

Parent Topic: DDL Syntax