Viewing 15 posts - 6,841 through 6,855 (of 7,608 total)
If you can do w/o the direct DupesCount, you can also use an EXISTS check:
SELECT
dm.*
FROM @DuplicateMembers dm
WHERE EXISTS (
SELECT 1
...
February 1, 2013 at 1:08 pm
I like the technique overall, but the concatenation will likely hurt performance: maybe only slightly, maybe a lot, depending on indexing. Thus, I suggest GROUPing and JOINing w/o any...
February 1, 2013 at 1:03 pm
For a 500GB db, those are modest amounts of space to be available/reserved.
I think trying to shrink that db would do far more harm than good.
If you have multiple data...
February 1, 2013 at 12:44 pm
You need to go thru the process of designing tables to store what you need, including a process called "normalization".
Under no circumstances should you attempt to store multiple values in...
February 1, 2013 at 11:04 am
Change all filegrowth to fixed amounts rather than %s. That is, change anything like "10%" to a fixed amount instead, such as "1MB".
If you plan to store packages in...
February 1, 2013 at 10:56 am
karthik.catchme (1/31/2013)
•If you combine the autogrow and autoshrink options, you might create unnecessary overhead. Make sure that the thresholds that trigger the grow...
January 31, 2013 at 4:36 pm
ben.brugman (1/31/2013)
ScottPletcher (1/29/2013)
You may or may not need partitioning.But you absolutely need to determine the proper clustered index for the table.
I totally agree that a clustered index will help performance...
January 31, 2013 at 9:42 am
FYI, in case you want it, here's the query I use to get an overview of tables, indexes and their sizes:
SELECT
SCHEMA_NAME(o.schema_id) AS Schema_Name,
...
January 30, 2013 at 2:36 pm
vlad-548036 (1/30/2013)
declare @howMany int=3
insert top (@howMany)
can be used to force insertion...
January 30, 2013 at 2:29 pm
AndrewSQLDBA (1/29/2013)
I was in a discussion with a DB2 developer ...
He was trying to convince me that char is better performing than varchar
Andrew SQLDBA
First, let's be grateful he's a developer,...
January 30, 2013 at 10:16 am
Yes, shrinking log file routinely or unnecessarily is bad.
But A log shrink after an unusually extreme amount of activity would not be.
January 30, 2013 at 10:07 am
ChrisM@Work (1/30/2013)
Mr. Kapsicum (1/30/2013)
...i want my query to use BOTH ISNULL and COALESCE...
Only homework would impose such a restriction.
Yep; I'm sure of that too. 100% homework (or bad interview...
January 30, 2013 at 10:04 am
No, no syntax errors per se, but that method's not guaranteed to work safely either.
January 30, 2013 at 10:00 am
insert dbo.N
output inserted.$identity into #tmp ( i )
default values
go 3
select *
from #tmp
January 29, 2013 at 4:09 pm
You may or may not need partitioning.
But you absolutely need to determine the proper clustered index for the table.
It's the column(s) you (almost) always specify in a WHERE clause, particularly...
January 29, 2013 at 4:02 pm
Viewing 15 posts - 6,841 through 6,855 (of 7,608 total)