alter database testdb set emergency
alter database testdb set single_user
dbcc checkdb('testdb',REPAIR_ALLOW_DATA_LOSS)
dbcc checkdb('testdb',REPAIR_REBUILD)
alter database testdb set multi_user
alter database testdb set emergency
alter database testdb set single_user
dbcc checkdb('testdb',REPAIR_ALLOW_DATA_LOSS)
dbcc checkdb('testdb',REPAIR_REBUILD)
alter database testdb set multi_user