Bug #31973 SHOW GLOBAL VARIABLES will display the session variables and vice versa.
Submitted: 31 Oct 2007 7:04 Modified: 31 Oct 2007 9:19
Reporter: Lu Jingdong Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server Severity:S3 (Non-critical)
Version:5.1 OS:Linux
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: