Bug #67022 EXPLAIN EXTENDED FORMAT= .. not allowed
Submitted: 30 Sep 2012 11:38 Modified: 4 Oct 2012 21:29
Reporter: Peter Laursen (Basic Quality Contributor) Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: DML Severity:S2 (Serious)
Version:5.6.7 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: