All Questions
7
questions
1
vote
1
answer
2k
views
Is there any difference between UNIQUE NONCLUSTERED INDEX and NONCLUSTERED INDEX?
I am using SQL Server 2008 R2 and this index in my database was already created:
CREATE UNIQUE NONCLUSTERED INDEX IndexT1
ON T1 (
[ID] ASC,
[logID] ASC
)
INCLUDE ([MasterID])
WHERE ([logID] ...
- 12.3k
2
votes
1
answer
231
views
Get an actual plan for a stored function
I want to get an execution plan for my scalar function because it differs from one when I'm only running a function body. I was in same situation some time ago, and I solved it by defragmenting ...
- 9,895
0
votes
0
answers
139
views
TSQL IN Operator over EXISTS, is there a difference?
Following two queries produce exactly the same execution plan on SQL Server 2008 R2.
But I feel like the second query should perform better.
Why do I see the same query execution plan for these two?
...
- 6,401
3
votes
3
answers
3k
views
How can i avoid an extra inner join to optimize this query?
Is there any way where I can avoid the inner join to get the customer firstname, and lastname from customer table and how can i optimize the execution plan?
SELECT c1.firstname, c1.lastname, t.*
FROM ...
- 1,564
5
votes
1
answer
7k
views
Find out the slow running stored procedure [duplicate]
Possible Duplicate:
How to find slowest queries
In Sql Server 2008, is there any option to find out which stored procedure running slowly among all (When the no. of stored procedures is very ...
- 441
2
votes
1
answer
280
views
Wrong Plan for CONTAINS condition in the MS SQL
Sql server 2008 R2
I have two queries
DECLARE @title NVARCHAR(500) = '"Finite" AND "Elements"'
select * from papers p
where (@title = '""' OR CONTAINS(p.name, @title))
select * from papers p
where ...
- 143
6
votes
4
answers
1k
views
Change in query plan and execution time with TOP and ESCAPE
One of the query (given below) is taking 90+ seconds to execute. It returns ~500 rows from a rather large table LogMessage. If ESCAPE N'~' is removed from the query it executes within few seconds. ...
- 31.2k