Bug #74199 Create constraint key type UNIQUENULL to prohibit multiple null values
Submitted: 3 Oct 2014 0:42
Reporter: Marco Janc Email Updates:
Status: Open Impact on me:
None 
Category:MySQL Server Severity:S4 (Feature request)
Version:5.6 OS:Any
Assigned to: CPU Architecture:Any
Tags: column, constraint, null, unique

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