My database has been damaged!

Question

I can't open my site, a blank screen appears instant of home page. and when l opened MySQL Databases on cPanel, I fonund a lot of errors on my Question2Answer database, I think the database has been damaged somehow, please help me to fix it, because I don't have a backup.

Here is what I found:

a_qa.qa_blobs
Error    : Incorrect information in file: './a_qa/qa_blobs.frm'
error    : Corrupt
a_qa.qa_cache
Error    : Incorrect information in file: './a_qa/qa_cache.frm'
error    : Corrupt
a_qa.qa_categories
Error    : Incorrect information in file: './a_qa/qa_categories.frm'
error    : Corrupt
a_qa.qa_contentwords
Error    : Incorrect information in file: './a_qa/qa_contentwords.frm'
error    : Corrupt
a_qa.qa_cookies
Error    : Incorrect information in file: './a_qa/qa_cookies.frm'
error    : Corrupt
a_qa.qa_iplimits
Error    : Incorrect information in file: './a_qa/qa_iplimits.frm'
error    : Corrupt
a_qa.qa_options
Error    : Incorrect information in file: './a_qa/qa_options.frm'
error    : Corrupt
a_qa.qa_pages
Error    : Incorrect information in file: './a_qa/qa_pages.frm'
error    : Corrupt
a_qa.qa_posts
Error    : Incorrect information in file: './a_qa/qa_posts.frm'
error    : Corrupt
a_qa.qa_posttags
Error    : Incorrect information in file: './a_qa/qa_posttags.frm'
error    : Corrupt
a_qa.qa_titlewords
Error    : Incorrect information in file: './a_qa/qa_titlewords.frm'
error    : Corrupt
a_qa.qa_userfields
Error    : Incorrect information in file: './a_qa/qa_userfields.frm'
error    : Corrupt
a_qa.qa_userlimits
Error    : Incorrect information in file: './a_qa/qa_userlimits.frm'
error    : Corrupt
a_qa.qa_userlogins
Error    : Incorrect information in file: './a_qa/qa_userlogins.frm'
error    : Corrupt
a_qa.qa_userpoints
Error    : Incorrect information in file: './a_qa/qa_userpoints.frm'
error    : Corrupt
a_qa.qa_userprofile
Error    : Incorrect information in file: './a_qa/qa_userprofile.frm'
error    : Corrupt
a_qa.qa_users
Error    : Incorrect information in file: './a_qa/qa_users.frm'
error    : Corrupt
a_qa.qa_uservotes
Error    : Incorrect information in file: './a_qa/qa_uservotes.frm'
error    : Corrupt
a_qa.qa_words
Error    : Incorrect information in file: './a_qa/qa_words.frm'
error    : Corrupt

Answer 1

It's difficult to know what happened here - Q2A itself is incapable of corrupting your database files since it only executes SQL queries. Perhaps MySQL has some kind of recovery tool that you can use?