Bug #48886 MySQL doesn't seem to optimize "less than empty string"
Submitted: 19 Nov 2009 0:38 Modified: 19 Nov 2009 5:27
Reporter: Serge Igitov Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:5.1+ 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: