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11.02.2006 at 11:40AM PST, ID: 22047057
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7.4

Combing Updates and Inserts in SQL Queries

Asked by onsite_tech in MS SQL Server

Tags: , , , ,

Hopefully this will be a quick one.  I'm not really a database guy, i'm more in the app/dev side of things and am learning SQL just for this project.  I have a script that updates a table in my database with new values that it pulls down from a server in our enviroment.  The script basically takes all of the rows of data from the server and inserts them (one at a time) into the database.  This means that normally, i end up doing 40-60 inserts into the database for each server i pull information from.  I've modified my code to do a quick query against the DB to see if the row i'm inserting already exists, and then i have vbscript perform an update or an insert based on the rowcount i get back.  The system works fine right now but there is a latency issue i'm becoming concerned with where i'm having to do two queries for each row i want to insert/update and while each query takes less then a second to run, it adds up and ends up being a minute or more per server i talk to just to push this information into the database.  This adds up when i have to hit a few hundred servers with this script every day.

So my question is, is there a way via SQL itself to do a smart update/insert into the database and/or is there a better way to do an insert of several rows of data without having to do a loop in vbscript with each row being its own query.  Any ideas?

Also, in addition to the above, i'm trying to come up with a way to track the updates/inserts that happen to these rows intellegently (so we can log when a row was changed and what field was changed on it).  is there a proper way to do that in SQL that anyone is aware of?  Maybe something like updating the new data into a seperate temp table and comparing the two tables via SQL (is that even possible)?  thanks in advance everyone,Start Free Trial
 
Keywords: Combing Updates and Inserts in SQL Q…
Title
1 Rowcount
2 latency logic
3 rowcount with ASP
4 Rowcount?
5 Can VBScript respond to key board act…
6 MS SQL - Simulate Latency for 1-2…
 
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[+][-]11.02.2006 at 11:46AM PST, ID: 17860920

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Zone: MS SQL Server
Tags: combing, sql, server, field, query
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Solution Provided By: rw3admin
Participating Experts: 2
Solution Grade: A
 
 
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