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: twkelsey |
last post by:
Hi,
My company has a scenario where we would like to change the data type
of an existing primary key from an integer to a char, but we are
concerned about the performance implications of doing...
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by: Techie |
last post by:
what's the difference of the two data types?
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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: Vivek |
last post by:
Hi,
Is it possible to insert a '\0' value or for that matter any control
character into a DB2 CHAR/VARCHAR field ? So if i do a 'select
hex(column) from table' i should see a 0 in the output....
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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...
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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...
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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...
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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: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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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: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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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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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 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 a new...
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