by: Andreas Meyer |
last post by:
Hi,
Does anybody have experience with the performance of CHAR in
comparison with VARCHAR? I´ve converted the table from varchar
(dynamic format) to char (fixed row length) and the total size of...
|
by: Randell D. |
last post by:
Folks,
I once read an article in Linux Format whereby a technical writer had
made performance recommendations on a LAMP environment. One of the
points raised was for small columns in a database,...
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by: dmhendricks |
last post by:
Greetings,
I have a question. I work on some SQL2k/ASP.NET apps at work. My
predacessor, who created the databases/tables seemed to have liked to
use 'char' for all text fields. Is there a...
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by: jdokos |
last post by:
Hello,
I have a question about VARCHAR fields. Our application groups here
are starting to use VARCHARs much more frequently. Even VARCHAR (2) to
(9) length fields. They say this is because...
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by: Troels Arvin |
last post by:
Hello,
In the DBMS I know best, PostgreSQL, there is no real performance
difference between CHAR and VARCHAR. And since CHAR pads with spaces, I
generally dislike CHAR (with CHAR, it's not...
|
by: mike |
last post by:
so I keep optimizing my fields down to the minimum character length
necessary i.e., varchar(15), then I find out a month later its gotta
get bigger, then a few months later, bigger again, etc. ...
|
by: D. |
last post by:
Hi,
I'm planning the structure of a SqlServer 2005 database for a new
application.
The requirement is that primary keys must be "natural"; i.e. in the table
Customers the primary key will be a...
|
by: Medhatithi |
last post by:
I have a table whose indexed column is a char(16) field. I am giving the schema.
CREATE TABLE Emp(Empno char(16),
Ename varchar(25),
...
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by: Nick Chan |
last post by:
all these while i've only used varchar for any string
i heard from my ex-boss that char helps speed up searches. is that
true?
so there are these:
1) char with index
2) char without index...
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by: maheshmohta |
last post by:
Background
Often while remodeling legacy application, one of the important tasks for the architects is to have an optimum usage of storage capabilities of database. Most of the legacy applications...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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