Table of Contents
Updated
If you have ms SQL Bug Tracker installed on your PC, which is in the process of transition, I hope this guide will help you.
Playback
- Open SSMS
Updated
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Enter the following in the new query window
use
;walk - Go to Object Explorer (SSMS) and right click
underTasks
-> ->Switch Offline
-
Open a second new query window and enter the following:
use
;walk
message 952, level 16, 1, state line 1
Database “TestDb1” is in transition. Please try the instruction later.
The reason for this could be an analytic discovery of a query like the following:
Select
You don’t care, you don’t want any object browser to repeat this mistake. You just need a blocked query to try to do it (in case the database goes down). The following screenshot shows the three strategies in T -SQL:
You will probably analyze that your Object Explorer session is blocked by another session (denoted by blocking_session_id
). Object that the explorer’s session becomes a session that acquires an exclusive lock (x
) on our own database. In the case of replay, the Object Explorer session has acquired a lock (U
) update, attempting and executing which will result in an exclusive lock (X
). Did it have a LCK_M_X
wait type clogged by our session, which essentially caused the query box to use first (which
holds the shared lock (S< > /code B ) specific database).
And then this error occurred outside the otherattempting session, acquire a new lock, and this error message using session denied for database access is that it's hard to move to another city (just in case, online mesh transition is disabled). Which
What Time Should You Study? Next To Unplug
Not in the first place, panic and consider deleting the database data. Whether they need to be troubleshooted (using an analytic query similar to the one above), find out why, you see what you learn. If you get this message and something is blocked", "you should automatically report the lack of concurrency and sort it out (sys locking.dm_tran_locks
is an exceptional place to start). /p>
I really think the best way to determine the cause of a problem is to take random measurements. Not recently in service, it's possible at the time of behavior not at all expected. Knowing what caused your really serious problem obviously didn't really matter much. You basically had a lock chain, pthe parent blocker was a bit, you could probably just pass KILL
, or that if there was a session request, you didn't have to do a KILL< /code>, so you could just wait its completion. In any case, you would have the necessary knowledge to take the right precautions and make the right decision given the specific scenario (person recovering or objectively pending verification).
One last thing to note in particular is why I always use the T-SQL alternative and not the GUI. You know exactly what you normally do with t-sql and what SQL does on the server. After all, you've given an explicit command. When you have a GUI, t-sql prefers to abstract away. In this case, the process I looked at as the object explorer was locked to try to remove the database from and the web, it was set to alter
. There was no attempt to restore it, so he waited for ages. your In case you want rollback sessions to have those prints in that database, your ALTER DATABASE ... SET WITH offline ROLLBACK IMMEDIATE
will most likely suffice if you have your own original statement that the restore was correct.