Tagged Questions
7
votes
4answers
287 views
Index Seek vs Index Scan
Looking at an execution plan of a slow running query and I noticed that some of the nodes are index seek and some of them are index scan.
What is the difference between and index seek and an index ...
2
votes
1answer
216 views
Query tuning - SQL Server
One of our developers are trying to run the below query on a development server, which involves pulling data from a linked server, production. The query ran for more than 14 hours before it was ...
3
votes
1answer
100 views
Do operations on indexed views happen in parallel?
When I'm inserting into a table that has a view with a clustered index, the estimated execution plan appears to do the table insert and the view's clustered index insert operations in parallel.
Is ...
2
votes
2answers
673 views
Why is query using Clustered Index when it shouldn't?
Let us presume I have a table named Category in a SQL Server 2005 database. Category has category_id (bigint, identity) as its primary key and name (nvarchar(50)). There is obviously a clustered ...
1
vote
1answer
583 views
What I can do to speed up Key Lookup in my Query
I am using SQL2005 and against them I calling query simila to this
declare @art table (id int primary key, naziv varchar(35) null, sifra varchar(15) null, jm int null);
insert ...