by: Mike Coppinger |
last post by:
I have a problem that has raised a couple of questions.
SITUATION:
I have a table called pr_persona that has a composite key comprising
pr_persona_db CHAR(2)
pr_persona_id INT(11) auto...
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by: John |
last post by:
Specifically for joint tables...
tblStudents
tblClasses
tblClasses_Students
Is it be good programming to use a composite primary key in
tblClasses_Students (where the key is ClassID and...
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by: deko |
last post by:
I understand it's possible to make a composite Primary Key by holding down
the control key and selecting multiple fields, then right-clicking and
selecting Primary Key. But I've heard that's not a...
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by: Thomas A. Anderson |
last post by:
I am a bit confused in creating a composite primary key. I have three table
with two of the tables containing primary keys. I have two of the tables
(each with a primary key) having one to many...
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by: Peter Lindquist |
last post by:
I had a fun issue this morning, and now I'm wondering if I violated a
rule I didn't know about. Any insight would be much appreciated. All
operations involving this particular table may be assumed...
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by: shyam jaiswal 1 |
last post by:
hello friends,
i have few table like
create table Employee ( emp_id INTEGER(6) PRIMARY KEY ,emp_name varchar(25) not null,
emp_phno INTEGER(12), emp_desig varchar(15) not null,emp_password...
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by: bobby_b_ |
last post by:
I have a table where fields 1 and 2 make up the primary key.
Because of this, I have a unique composite index on fields 1 and 2 (as
required by DB2). Now my question is: Fields 1 and 2 are also...
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by: Ronald S. Cook |
last post by:
My client manager likes concatenated/composite primary keys. I don't.
Can anyone forward any arguments pro or con?
Thanks,
Ron
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by: Wolfgang Keller |
last post by:
Hello,
so far it seems to me as if the only ORM module for Python which
supports composite primary/foreign keys was SQLAlchemy. Which looks a
little bit "overbloated" for my needs: I "just" need...
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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: 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
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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?
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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: 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: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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