Bug #75435 MAX() causes a full table scan when used in a sub-query
Submitted: 7 Jan 2015 14:59 Modified: 12 Jan 2015 18:42
Reporter: Van Stokes Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.6.21 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: