Bug #100003 EXPLAIN FOR CONNECTION seems to still require the SUPER privilege
Submitted: 26 Jun 2020 11:18 Modified: 29 Jun 2020 8:26
Reporter: Saverio Miroddi Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Security: Privileges Severity:S3 (Non-critical)
Version:8.0.20, 5.7.30 OS:Any
Assigned to: CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: