Bug #21939 EXPLAIN EXTENDED does not return information "as advertised" in manual
Submitted: 31 Aug 2006 5:52 Modified: 5 Dec 2007 18:56
Reporter: Arjen Lentz Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S4 (Feature request)
Version:4.1 and up, 5.0.36-BK OS:Any (any)
Assigned to: CPU Architecture:Any
Tags: explain, optimisation, optimiser, optimization, Optimizer

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: