Bug #103463 ALTER TABLE produces a duplicate table
Submitted: 24 Apr 2021 19:30 Modified: 29 Apr 2021 1:30
Reporter: Michael Grauman Email Updates:
Status: Unsupported Impact on me:
None 
Category:MySQL Server: DDL Severity:S2 (Serious)
Version:5.7.32-log OS:Windows (Azure cloud instance)
Assigned to: CPU Architecture:Any (Unknown)
Tags: ALTER TABLE DUPLICATE

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: