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A mechanism for managing concurrent access to shared data or resources by granting temporarily exclusive access to the processes requesting the lock.

-2 votes
2 answers
442 views

I've TABLOCKed a table. How can I read it?

I've TABLOCKed a table so I can run bulk inserts. How can I read it while it is still locked? Under normal circumstances, I would call this obviously impossible. Luckily, there is one key factor that …
J. Mini's user avatar
  • 855
0 votes
1 answer
153 views

Is there a stronger guarantee of minimal logging when running INSERT INTO [...] WITH (TABLOC...

The documentation lists the following requirements for bulk imports with minimal logging The recovery model of the database is set to simple or bulk-logged. The target table is an empty or non-empty …
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  • 855
1 vote
2 answers
68 views

Given that they require schema modification locks, why are sparse columns considered an alte...

Pro SQL Server Relational Database Design and Implementation: Best Practices for Scalability and Performance is a very reliable source of good database design ideas. As an alternative to Entity-Attrib …
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  • 855
2 votes
1 answer
29 views

Is there any information in Query Store that can be used to find block leaders?

I am on a server with major blocking issues. Not deadlocks, just plain blocks. We know that it is the server's primary bottleneck. However, they do not know what the block leaders are, so I do not kno …
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  • 855