Using the debug module, set DEBUG works in cmd, but not in powershell. Why?

using the debug module, set DEBUG is valid in cmd, but not in powershell. Why?
how do I use the set DEBUG command in powershell?

Cmd powershell node.js debug
Jun.15,2022

$env:
how-to-use-nodes-debug-module-windows

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e3df3d-26cb3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3df3d-26cb3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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