If data file is intact but log is missing/corrupt:
-- Attempt Repair (Start with REPAIR_REBUILD) DBCC CHECKDB ([YourDatabaseName], REPAIR_REBUILD); database recovery pending
Following a server migration or domain change, the SQL Service account may no longer have the required permissions to read/write to the folder containing the database files. If data file is intact but log is
If the drive hosting your transaction logs is 100% full, SQL Server cannot write the necessary recovery markers, causing it to "give up" until space is cleared. try the least invasive repair first.
Before running complex commands, check the basics.
If CHECKDB reports errors, try the least invasive repair first.