Viewing 15 posts - 46 through 60 (of 171 total)
Jared,
I just point that out because a user can input "",".","mary" or anything can fetch too many records depending on OP data.
March 12, 2012 at 1:22 pm
In addiction to input validation (maybe) you can put a TOP clause to prevent too many records to be fetched.
If its a web or web like app you can take...
March 12, 2012 at 12:57 pm
To compare between machines use a dump from the prod server (if possible)
Comparation between 5 millions of nulls or small strings is faster than comparing 3 milllions large strings...
Anyway the...
March 12, 2012 at 11:50 am
As I said, maybe you can change the desing, not only the implementation.
Since you are "cleaning" the table do find duplicate rows, you must run a join over itself (all...
March 12, 2012 at 11:22 am
Hi,
Well, I dont worked too much (just read it one time) in it so it's only a guess...
The problem lies in:
1) The sub querie is performing a cross join in...
March 12, 2012 at 11:16 am
Lisa Slater Nicholls (3/8/2012)
...Hope this answers your question(s).
>L<
I started not seeking answers more than new questions (I'm afraid we hjjacked this topic) but these are good fair points and nicely...
March 9, 2012 at 11:23 am
Jeff Moden (3/8/2012)
March 9, 2012 at 4:05 am
MS SQL Server already have a mechanism to find dead locks.
What's you goal?
Its a home work?
March 8, 2012 at 5:29 am
R.P.Rozema (3/8/2012)
To finalize this: My explanation is wrong and my question + answer was correct only by luck....
And why is it a great question?
Why UNION (ALL) is basic but very...
March 8, 2012 at 5:11 am
Misunderstoods ill happen.
Unfortunately humans dont speak in Context-Free Grammar (and that's why I prefer to work with computers :-P)
By I dont considered this option in my previous post.
And I'm no...
March 8, 2012 at 4:49 am
Great article! Thanks for the tip Gail.
In my defense I never told BCHR is the only counter to check.:-D
In fact no single counter ill tell the whole history.
Reading the article...
March 7, 2012 at 10:41 am
It dont mean performance problems per si (in fact I believe its a normal behaviour).
You must check Buffer Cache Hit Ratio and others counters.
Try find some "memory pressure" articles.
there are...
March 7, 2012 at 9:45 am
Only assefam can tell but
Sometimes bizarre or non trivial requirements arrive at my desk and sometimes they are valid.
Sometimes I cannot tell they are valid but there are cases where...
March 7, 2012 at 8:03 am
If a chunk of data was used there are a chance it ill be used again so why flush it?
Memory ill be flushed by demand since to erase memory is...
March 7, 2012 at 7:16 am
No problem with your sugestion.
It's realy a nice one.
I just wondering if there are some trick to pass objects names as parameters to a dynamic SQL.
As fair I know its...
March 7, 2012 at 5:54 am
Viewing 15 posts - 46 through 60 (of 171 total)