Bug #4118 multi-table UPDATE takes WRITE lock on read table
Submitted: 12 Jun 2004 23:56 Modified: 2 Oct 2004 23:49
Reporter: Guilhem Bichot Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server Severity:S3 (Non-critical)
Version:4.0 OS:Any (all)
Assigned to: Antony Curtis 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: