Bug #27809 documentation says REPLACE not working with MERGE, but it does
Submitted: 13 Apr 2007 13:03 Modified: 22 Feb 2008 18:42
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Merge storage engine Severity:S3 (Non-critical)
Version:5.0.40BK OS:Any
Assigned to: Paul DuBois CPU Architecture:Any
Tags: merge

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: