Bug #57926 Illegal mix of collations for operation 'UNION' .. using CONCAT/Function/latin1
Submitted: 2 Nov 2010 12:54 Modified: 16 Oct 2012 5:17
Reporter: Richard Teubel Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: General Severity:S3 (Non-critical)
Version:5.1.51, 5.1.52 OS:Any
Assigned to: Assigned Account CPU Architecture:Any
Tags: Collations, concat, Concat_WS, FUNCTION, Latin1, UNION

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: