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by: Girish Agarwal |
last post by:
Hi All,
I have a database consisting of 2 tables.
patient_info ( Patient Information ).Looks like
lastname VARCHAR(10)
fname VARCHAR(10)
ssno INT(9) PRIMARY KEY
ID INT(4) AUTO_INCREMENT
patientins_info ( PatientInsurance Information)
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by: Girish Agarwal |
last post by:
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by: Bob |
last post by:
Hi,
Does anyone know why forgein key constraints are not enforced when
updateing multiple tables using a combination of views and rules?
This doesn't seem to be a major problem as I can specify the columns
in question as not null and this will produce an ExecInsert error if
the data is not present in my insert.
However, it seems to me that it would be better to be able to rely on
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by: David Allison |
last post by:
Foriegn Key Required - Yes - no wonder it didnt work. Now they tell me.
--
Dave Allison
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by: Dev |
last post by:
Hello all,
I have a database system in which i truncate a main table to update the
information. I would like to setup some foriegn keys referencing back to
that table but am concerned as to how the truncating of the Parent table
will effect the keys? Would all I have to do is insure that I vacuum the
db after I truncate and repopulate the table?
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by: irfi |
last post by:
Hi,
I am a form which has a sub form,
The sub form is linked with primary key of main form as a foriegn key
in sub form, very basic,
In the main form, I have another field which is investor, and in the
sub form, I have created investory foreign key, this is the second link
between main form and subm form.
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by: raghunana |
last post by:
hello friends,
i am a beginer.I was unable to add a foriegn key constraint to my NAMES table which refers my EMPLOYEE TABLE
SQL> desc employee
Name Null? Type
----------------------------------------- -------- ----------------------------
FNAME VARCHAR2(10)
LNAME VARCHAR2(10)
SSN ...
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by: nads707 |
last post by:
i hav following 2 tables n i am able to insert data into the second table having a foriegn key
create table Customer_Details(
Customer_ID integer primary key,
Customer_First_Name varchar(75),
Customer_Last_Name varchar(75),
Address varchar(100))
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by: srinivaspnv21 |
last post by:
hi every one,
plz help me out in setting primary key and foriegn key to tables in sql server 2000 and brief description on it or any article u have plz send me......
waiting for u r replies.......
thanking you..
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by: chets92 |
last post by:
sir can u give me an example (simple code) of how to use primary key and foriegn key queries...ie if i delete the primary key item the result should be reflected in other forms....
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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, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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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 Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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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 protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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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, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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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 then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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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 last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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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: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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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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