DROP NODE DROP NODE 7 SQL - Language Statements DROP NODE drop a cluster node DROP NODE nodename DROP NODE is new SQL command specific to Postgres-XL that deletes cluster node information in catalog pgxc_node. Node connection that has been deleted does not guarantee that connection information cached in pooler is updated accordingly. DROP NODE only runs on the local node where it is launched. nodename The name of the selected cluster node. Drop a cluster node. DROP NODE cluster_node; DROP NODE does not conform to the SQL standards, it is a Postgres-XL specific command.