[How to cancel hard disk from wanting to format and how to get my files back?](http://superuser.com/questions/184344/how-to-cancel-hard-disk-from-wanting-to-format-and-how-to-get-my-files-back)  
This question is tagged [tag:data] but you know it's about [tag:data] from [tag:hard-drive-recovery].

[Best Light Software to Manage Large Amounts of Data?](http://superuser.com/questions/180036/best-light-software-to-manage-large-amounts-of-data)  
This question is tagged both [tag:database] and [tag:data], but [tag:database] inherits [tag:data], right?

[How to quicky connect to a sqlite database with OpenOffice.org Base?](http://superuser.com/questions/169963/how-to-quicky-connect-to-a-sqlite-database-with-openoffice-org-base)  
This question is tagged [tag:data], but shouldn't it be tagged [tag:database] instead?

[tag:data]
Shows some more issues of tags that are actually multiple words and might need a hyphen:

 - Should [free] + [data] be [free-data] or just [free]?
 - Should [data] + [query] be [data-query] or just [query]?
 - Should [data] + [validation] be [data-validation] or just [validation]?
 - Should [data] + [file] be [file-data] or [data-file] or [file] or maybe nothing or something else?
 - ...