I was trying to do some testing on filtered indexes yesterday and created a fairly simple situation: CREATE TABLE IndexTest ( ID INT NOT NULL IDENTITY(1,1) CONSTRAINT pk_IndexTest PRIMARY KEY, ...
Microsoft suggests using OPTION (QUERYTRACEON 9481) for queries that have "degraded" performance against SQL Server 2014 databases running under compatibility level 120. In my situation, "degraded" ...
Is there any DBA View to find details of parallel hint...The information i need is degree of parallelization (auto or fixed number) for all parallel hints used across all schemas in the DB.
I'm getting 20-30 deadlocks per day on the same table. (2 mil rows) Profiler DeadlockGraphs show KEY LOCK and PAGE LOCK (See attched jpg) Total datatype size per row = 114 bytes We have multiple ...
I need to get the MAX aggregate of certain field in a transaction. I use this value further inside the transaction. I want to avoid inserts in the entire table from which I'm getting the MAX while the ...
This is question 2 of 2 related to the FAST query hint. Background Information (as an aside, I'm not trying to garner more rep, I'm trying to be true to only asking one question per question). Our ...
This is question 1 of 2 related to OPTION (FAST 1); We've just upgraded our ERP database from SQL 2000 EE to 2008 R2 EE and we've been noticing increased blocking in the database. I've narrowed it ...