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These tables

 

( qa_postmetas , qa_usermetas , qa_tagmetas )

in my data base are empty. I want to show information of question such as its writer and its creation time. 

Q2A version: latest version

2 Answers

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These are generally for use by plugins only.
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see here "Database tables qa_usermeta and qa_usermetas?": http://www.question2answer.org/qa/16063/database-tables-qa_usermeta-and-qa_usermetas

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