The effective value of PDQPRIORITY for a session is sent to the remote site when a connection is established. Subsequent changes to this parameter in the coordinator are not reflected on the remote site. However, the exact behavior of this environment variable depends on the role of the database server in the distributed query (coordinator or participant).
PDQPRIORITY has different syntax and semantics for different server versions. For information on setting PDQPRIORITY, see the Performance Guide for your server.
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