Bug #3475 ALTER TABLE x CHANGE COLUMN var enum ENUM;
Submitted: 15 Apr 2004 4:29 Modified: 29 Dec 2009 5:32
Reporter: Are you mortal Then prepare to die. Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: DDL Severity:S4 (Feature request)
Version:na OS:Any (na)
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: