by: Bodza Bodza |
last post by:
I'm having an argument with an incumbent self-taught programmer that
it is OK to use null foreign keys in database design.
My take is the whole point of a foreign key is that it's not supposed...
|
by: Vinodh Kumar P |
last post by:
I understand the number of foreign keys allowed is restricted by the DBMS I
use.
In a general relational schema design perspective how many foreign keys a
table shall have?
If I have large number...
|
by: Ross A. Finlayson |
last post by:
Hi,
I'm scratching together an Access database. The development box is
Office 95, the deployment box Office 2003.
So anyways I am griping about forms and global variables. Say for
example...
|
by: Greg Dunn |
last post by:
I have two tables in a parent-child relationship. Details on the tables are
as shown below:
Table1
-------
Item_ID (primary key)
Item_Owner (foreign key to Table2)
Table2
-------
|
by: Ian Davies |
last post by:
I have created a database with about 17 tables. I have been creating foreign
keys some of which have worked but when creating others I get the message
below
*************************
1005...
|
by: kal stevens |
last post by:
I have been trying to write a database schema in mysql, and I cant
figure this out.
Here is a database schema
DROP DATABASE IF EXISTS d;
CREATE DATABASE d;
|
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...
|
by: rbarber |
last post by:
I have to synchronize 2 databases hourly but am having difficulty maintaining foreign key relations. These tables use auto-increment columns as primary keys, with child records in other tables...
|
by: Peter |
last post by:
Hi,
I'm trying to create a form that shows table rows in a listbox. Several
comboboxes expand the foreign key fields into text values from the parent
tables, and there are also some textboxes...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
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: 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...
|
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,...
|
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...
|
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,...
|
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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