TABLOCK Hint can Negatively Impact SQL Server Concurrency
In this article, we look at how using the Tablock hint in SQL Server could impact concurrency and block other sessions.
2023-11-29
Concurrency
Concurrency Challenges Around Schema Changes
A post on distributed systems and how schema changes are handled caught Steve's eye. See if you agree with how he thinks this should work.
2023-06-26
131 reads
Lock Scenarios Using sys.dm_tran_locks
Learn about the impact of locking and blocking in sessions through some demonstrations of different types of actions.
2020-06-11
7,234 reads
Concurrency Control in SQL Server
Learn a bit about concurrency problems in SQL Server, the issues they create, and the different isolation levels that help you solve them.
2020-05-12
38,772 reads
Prevent SQL Server Blocking using Lock_Timeout
In this tip we look at a way to minimize the length of blocking using SQL Server lock timeout.
2020-01-24
The Many Levels Of Concurrency
When designing for high concurrency, most people look to the hardware for answers. And while it’s true that it plays an important role, there’s a heck of a lot more to it.
2018-03-06
3,361 reads
2013-08-06
2,004 reads
Free eBook: Understanding SQL Server Concurrency
When you can’t get to your data because another application has it locked, a thorough knowledge of SQL Server concurrency will give you the confidence to decide what to do.
2020-11-11 (first published: 2013-07-17)
106,148 reads
Blogs
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Forums
Cannot install development version.
A while into install I get a Microsoft OLE DB Driver for SQL Server....
More Funny SELECTs
Comments posted to this topic are about the item More Funny SELECTs
Reducing the Cycle Time
Comments posted to this topic are about the item Reducing the Cycle Time
Question of the Day
More Funny SELECTs
What does this code return?
SELECT
( SELECT COUNT (*), MAX(soh.OrderDate) AS latestorder
FROM Sales.SalesOrderHeader AS soh
WHERE
soh.OrderDate > '01/01/2011'
AND soh.OrderDate < '01/01/2012') AS OrdersIn2000
, ( SELECT COUNT (*), MAX(soh.OrderDate) AS latestorder
FROM Sales.SalesOrderHeader AS soh
WHERE
soh.OrderDate > '01/01/2012'
AND soh.OrderDate < '01/01/2013') AS OrdersIn2001
, ( SELECT COUNT (*), MAX(soh.OrderDate) AS latestorder
FROM Sales.SalesOrderHeader AS soh
WHERE
soh.OrderDate > '01/01/2013'
AND soh.OrderDate < '01/01/2014') AS OrdersIn2002;
GO See possible answers