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by: Philip Boonzaaier |
last post by:
I want to be able to generate SQL statements that will go through a list of
data, effectively row by row, enquire on the database if this exists in the
selected table- If it exists, then the colums must be UPDATED, if not, they
must be INSERTED.
Logically then, I would like to SELECT * FROM <TABLE>
WHERE ....<Values entered here>, and then IF FOUND
UPDATE <TABLE> SET .... <Values entered here> ELSE
INSERT INTO <TABLE> VALUES <Values...
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by: robert |
last post by:
been ruminating on the question (mostly in a 390/v7 context) of
whether, and if so when, a row update becomes an insert/delete.
i assume that there is a threshold on the number of columns of
the table, or perhaps bytes, being updated where the engine just
decides, screw it, i'll just make a new one.
surfed this group and google, but couldn't find anything.
the context: we have some java folk who like to parametize/
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by: nomorems |
last post by:
I was trying to copy a range of records from a table to the same table
with a small modification. I was wondering why this takes a long time
compared to just doing a subselect from that table and insert to a new
table (without constraints). Could it be a problem with the constraints
checking capability or the index maintenance? The subselect itself
takes a small time, so that will not be the problem...
Before executing the query I tried...
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by: Shapper |
last post by:
Hello,
I have created 3 functions to insert, update and delete an Access
database record. The Insert and the Delete code are working fine.
The update is not. I checked and my database has all the necessary
records in it when testing it. I get the error "No value given for one
or more required parameters." when I try to update the database.
Can you tell me what am I doing wrong?
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by: isaac2004 |
last post by:
im trying to make a page that reads simple user information and posts
them to a table. the user can edit, delete and add new records, through
a form on the page.using SQLs modifications like insert and delete, how
would you go about doing this. the script executes an if then statment
that tests a submit button and initiates the insert portion of the SQL
statement .
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by: flash |
last post by:
write a program that manipulates arrays of integers. The main program should call three functions: Insert, Delete, and Search. The Insert function should call a function Sort that sorts the array.
Here is a description of the three functions:
Insert: Accepts as input the array and the element you want to insert into the array. The function should insert the element at the end of the array and should call the function Sort to sort the...
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by: abhi81 |
last post by:
Hello All,
I have a table on which I have created a insert,Update and a Delete trigger. All these triggers write a entry to another audit table with the unique key for each table and the timestamp.
Insert and Update trigger work fine when i have only one of them defined.
However when I have all the 3 triggers in place and when i try to fire a insert query on the statement. It triggers both insert and update trigger at the same time and...
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by: =?Utf-8?B?UmljaA==?= |
last post by:
On a form - I have a datagridview which is docked to the entire form. The
datagridview allows users to Delete and/or Add Rows. On the Form_Load event
I Fill the datagridview source table with a sql DataAdapter (da)
da.SelectCommand.CommandText = "Select * from Servertbl1"
da.Fill(ds, "tbl1")
so far, so good. If I add a row to the datagridview I use the following
sqlDataAdapter code to update the server table - which works OK when...
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by: magnolia |
last post by:
i created a trigger that will record the changes made to a table .everything works fine except the insert query.whenerever i try to insert a record it fires insert and update triger at the same time which means i hav 2 record for every insert operation.
any help appreciated.
thank u
herez teh code i tried.
ALTER TRIGGER trg_ContactAddress_Audit
ON Address
FOR DELETE, INSERT, UPDATE
AS
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by: skanemupp |
last post by:
in this program when using the "c"-button it deletes the last token
entered. i want to delete the token after the mousecursor.
lets say the string is: 12*(81**.5+12) and i put the cursor between
the * and * because i want times .5 not root.
now if i press "c" it deletes ")" which is not what i want. ive tried
coming up with a function that does what i want
but neither of the ways as shown below works.
i want to do something like...
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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:
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 effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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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, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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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: 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: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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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: 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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