Bug #73896 MySQL issues an "Unsafe statement" warning for what should be a safe statement
Submitted: 11 Sep 2014 15:40 Modified: 2 Feb 2015 22:04
Reporter: Christopher Schultz Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: DML Severity:S3 (Non-critical)
Version:5.5.40/5.6.23 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: