by: Robert Brown |
last post by:
Let's say I have a type hierarchy: (just an example)
the general entity customer:
CREATE TABLE customer(customer_id int, customer_name varchar(250),
customer_type int)
three specific...
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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: 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: sonal |
last post by:
Hi all,
I hv started with python just recently... and have been assigned to
make an utility which would be used for data validations...
In short we take up various comma separated data files
for...
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by: mac |
last post by:
Summary:
1. I want to define a column in anMS Access table to be lookups on other
tables.
2. The table that is the data source (e.g the "parent" table) has a
composite
primary key.
3. When...
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by: bvdrsganesh1981 |
last post by:
Hi
Can We Create a Foreign Key Relation in Table1 with a Table2
Table 2 having Composite Primary key with columns T2Col1,T2Col2,T2Col3, T2Col4 where first 3 columns are composite primary...
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by: NickZA |
last post by:
Hi
Rather than posting in an old thread I thought I'd start this one, but basically what I need to do is outlined here:
http://www.thescripts.com/forum/thread647242-composite+foreign.html
I am...
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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: Madhususdhan |
last post by:
Hellow, I am new to MS SQL Server and I have been designing a database for my company. I am using Microsoft Visio for desigin and in my database design, I am planning to use composite primary key for...
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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: 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...
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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: 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: 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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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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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: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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