Clarify deadlocks with lock partitioning (#37114)

* Clarify deadlocks with lock partitioning

* Acrolinx

* Update ALTER AVAILABILITY GROUP documentation as sysadmin

Clarified the requirement to run the command as 'sysadmin' on both primary and secondary availability group instances.

* BCP reorg (#37098)

* Refresh sqlcmd commands and add note

* 20260422 edit pass

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Co-authored-by: learn-build-service-prod[bot] <113403604+learn-build-service-prod[bot]@users.noreply.github.com>
Co-authored-by: JamesFerebee-MSFT <46981135+JamesFerebee@users.noreply.github.com>
Co-authored-by: prmerger-automator[bot] <40007230+prmerger-automator[bot]@users.noreply.github.com>
Co-authored-by: Randolph West MSFT <97149825+rwestMSFT@users.noreply.github.com>
Co-authored-by: WilliamDAssafMSFT <74387232+WilliamDAssafMSFT@users.noreply.github.com>

Author: 6 people