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by: Rainer Collet |
last post by:
Hi!
I have a question how to solve the folloing task:
I have 2 tables referencing each over: An user table and an address
table. Each user has one or no address. If an user is dropped the...
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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...
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by: pb648174 |
last post by:
I have a table called BidItem which has another table called
BidAddendum related to it by foreign key. I have another table called
BidFolder which is related to both BidItem and BidAddendum, based...
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by: unreal4u |
last post by:
hi everybody .. first post ... hope someone answers it ...
Well .. this is my problem ... I got 2 tables:
/*==============================================================*/
/* Table:...
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by: Thomas LeBlanc |
last post by:
I am able to enter a null in a foreign key field in one table(table2)
without the foreign key relationship (table1.t1_id) validating the value.
Why is this?
Below are 2 table's scripts:
...
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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: Ivan |
last post by:
Hello to all and thanks for answer to my topics.
I made one stored procedure that delete one table, but when
call/execute the procedure this show
SQL0532N A parent row cannot be deleted...
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by: ravichoudhari |
last post by:
i came accross requirement of multiple foreign keys in a table
referencing the same primary key another table. i created the table
relations using the relations editor in access. even though i...
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by: apax999 |
last post by:
Kinda new to SQL, using SQL Server 2005.
I have some foreign keys in a couple of tables. I need to drop these
tables, but can't since I'll get the error:
Msg 3726,
Level 16, State 1, Line...
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by: bobdurie |
last post by:
If i create a simple table with a foreign key constraint, does it
create an implicit index on that given ID? I've been told this is
done in some databases, but i need to know for sure if SQL...
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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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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: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The...
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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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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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