How to fix a corrupted data usage SQLite database?

I have an iPhone 5 running the latest iOS 8.0.2 and this phone is never jailbroken.
A few months ago I noticed my data usage was not updated anymore. I tried many things to restore it. Today I hooked up my iPhone to Xcode and there it revealed the problem in the device logs:
Sep 28 13:38:01 Marcels-iPhone Preferences[331] <Warning>: CoreData: error: (11) Fatal error. The database at /var/wireless/Library/Databases/DataUsage.sqlite is corrupted. SQLite error code:11, 'database disk image is malformed'
So apparently the data usage SQLite file on my iPhone got corrupted. How on earth can I restore this database?

If you are able, try modifying or deleting the account using "/Applications" > "Utilities" > "NetInfo Manager.app" - (be careful that only the user and not the entire "users" directory is selected when you delete).
Otherwise, the output from this commands might provide more info on the state of the user records, potentially providing a clue to how to fix it (if the second field in any entry contains anything other than asterisks, don't post them):<pre>nidump passwd /</pre>Also, if the user shows up using this command, that might provide another method for referring to the user using "NetInfo" based commands:<pre>nicl . -list /users</pre>If there aren't a lot of other users on the computer, you could always reset the whole "NetInfo" database as described in the document below. User accounts will have to be recreated (adjusting to match the original 'uid' values), and custom groups, share points, mounts, etc. (if any) will have to be reconfigured as well.
http://docs.info.apple.com/article.html?artnum=107210

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제품 : FIN_AR
작성날짜 : 2004-11-09
(R11) HOW TO FIX MISSING CM DATA IN AR_PAYMENT_SCHEDULES_ALL TABLE
==================================================================
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