by: hemal |
last post by:
I came across a very strange situation at work. There is an order of
magnitude difference in execution time for the following two queries
(10 v/s ~130 msec):
select count(*) from table_name...
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by: Philip Yale |
last post by:
I'm very puzzled by the choice of NC index being made by the optimizer
in this example. I don't actually think it should use an NC index at
all.
I have:
Table: CustomerStatus_T
Single data...
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by: Peter Arrenbrecht |
last post by:
Hi all
We ran into a very annoying optimizer problem recently. We had added a
new key and self-join relation to a large production table. That key
will be filled very rarely and having just...
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by: Andrea |
last post by:
Hi,
I've read the former postings but was not able to solve my problem:
I have a Summary Table (or MQT as you like it) and the query optimizer
does not seem to use the summary table.
I run...
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by: www.felesh.tk |
last post by:
i want a html broser with c#
i like to know how i can make a html optimizer with c#
if u have a sample code for me i become glad
i am waiting forr...
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by: Kevin |
last post by:
Using a base table, a MQT table was created. With optimization - when
querying the base table with calcuation that are already completed in
the MQT - I would assume the optimizer would use the MQT...
|
by: boa sema |
last post by:
Way back when, and at least in version 7 IIRC, the query optimizer gave
up when the where clause in a statement contained more than 4 search
conditions.
Does anyone know if such a limitation...
|
by: aj |
last post by:
DB2 LUW v8.2 FP 14 RHAS 2.1
Sorry if these are newbie questions. Optimizer stuff is black magic
to me. For both of these, assume stats are current and an even
distribution of data....
|
by: P. Adhia |
last post by:
Hi,
Consider the following query
select *
from t1
where c1 = ?
and c2 = ?
|
by: ryjfgjl |
last post by:
ExcelToDatabase: batch import excel into database automatically...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: Vimpel783 |
last post by:
Hello!
Guys, I found this code on the Internet, but I need to modify it a little. It works well, the problem is this: Data is sent from only one cell, in this case B5, but it is necessary that data...
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by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
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by: Defcon1945 |
last post by:
I'm trying to learn Python using Pycharm but import shutil doesn't work
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by: Shællîpôpï 09 |
last post by:
If u are using a keypad phone, how do u turn on JavaScript, to access features like WhatsApp, Facebook, Instagram....
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by: af34tf |
last post by:
Hi Guys, I have a domain whose name is BytesLimited.com, and I want to sell it. Does anyone know about platforms that allow me to list my domain in auction for free. Thank you
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by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
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