by: Bill |
last post by:
In an effort to improve the speed of queries against my main table,
I'll be indexing a column whose data type is varchar(50).
Would I be better off (better performance) if I changed the column's...
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by: Miss Livvy |
last post by:
Would it be OK to use varchar(5) instead of char(5) as the first field of a
composite clustered index?
My gut tells me that varchar would be a bad idea, but I am not finding much
information on...
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by: Robert Oschler |
last post by:
I read a while back that MySQL will only use one index per query. (If this
is not so, please tell me and point me to a doc that gives a good
explanation of MySQL's current index usage policy). ...
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by: Robert Oschler |
last post by:
I read a while back that MySQL will only use one index per query. (If this
is not so, please tell me and point me to a doc that gives a good
explanation of MySQL's current index usage policy). ...
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by: Johann Uhrmann |
last post by:
Hello,
are there any experiences about the performance of indices
with different data types.
How do the performance of an index that consists of
- an integer field
- a varchar() field
- a...
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by: George Essig |
last post by:
I have installed tsearch2 and have noticed that the gist index used to do searches grows and grows
as I update rows, delete rows, or run VACUUM FULL ANALYZE. Below are some details:
PostgreSQL...
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by: Jon Lapham |
last post by:
I have a table that stores TEXT information. I need query this table to
find *exact* matches to the TEXT... no regular expressions, no LIKE
queries, etc. The TEXT could be from 1 to 10000+...
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by: Mike Wertheim |
last post by:
Hi,
I'm using PostgreSQL 8.
I have two tables that I am doing a join on, and the join executes very
slowly.
The table called Notification has a text field called NotificationID,
which is...
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by: mattehz |
last post by:
Hey there,
I am trying to upload old source files and came across these errors:
Warning: Invalid argument supplied for foreach() in /home/mattehz/public_html/acssr/trunk/inc_html.php on line 59...
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by: DolphinDB |
last post by:
Tired of spending countless mintues downsampling your data? Look no further!
In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
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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...
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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: PapaRatzi |
last post by:
Hello,
I am teaching myself MS Access forms design and Visual Basic. I've created a table to capture a list of Top 30 singles and forms to capture new entries. The final step is a form (unbound)...
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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: 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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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
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