How to recover suspect SQL server 2008 Database

DBCC CHECKDB (’YourDBname’) WITH NO_INFOMSGS, ALL_ERRORMSGS

Then run below query

EXEC sp_resetstatus ‘yourDBname’;
ALTER DATABASE yourDBname SET EMERGENCY
DBCC checkdb(’yourDBname’)
ALTER DATABASE yourDBname SET SINGLE_USER WITH ROLLBACK IMMEDIATE
DBCC CheckDB (’yourDBname’, REPAIR_ALLOW_DATA_LOSS)
ALTER DATABASE yourDBname SET MULTI_USER