Bug #50257 Missing info in REF column of the EXPLAIN lines for subselects
Submitted: 11 Jan 2010 22:39 Modified: 13 Aug 2010 2:42
Reporter: Igor Babaev Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:5.1, 5.0, 5.5.99 OS:Any
Assigned to: Jørgen Løland 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: