Using the default SQL Server READ COMMITTED isolation level, my application sometimes falls victim to the dreaded "lost update" condition where two of my users edit the same row for update but the user who submits his/her change last overwrites changes made by the other user. Is there a good way to check for this and prevent it?
2008-06-02
3,771 reads
In previous versions of SQL Server, it has not been possible to pass a table variable, as a parameter, to a stored procedure. Microsoft introduces table-valued parameters, along with other features, in SQL Server 2008. This article illustrates the function and usage of table-valued parameters.
2008-06-02
2,812 reads
Get an overview of typical data mining problems and the tools and models that are available in SQL Server 2005 for solving these problems.
2008-05-30
3,571 reads
One of the first things that should be done when managing SQL Server is to setup an appropriate backup plan in order to minimize any data loss in the event of a failure. Along with setting up a backup plan there are certain database configurations that need to be setup to ensure you are able to backup databases correctly. In this tip we will look at the different recovery models that SQL Server offers and how to choose a recovery model for your database.
2008-05-30
4,151 reads
Join Business Intelligence Architect Bill Pearson as he continues his subseries surrounding components of the Analysis Services dimensional model. In this article we continue our introduction to dimension attributes, focusing upon the Misc group of attribute properties.
2008-05-29
1,215 reads
The Trash Destination and this article came from early experiences of using SSIS and community feedback at the time. When developing a package it is very useful to have a destination adapter that does nothing but consume rows with no setup requirement. You often want run a package part way through development, or just add a path so you can set a Data Viewer.
2008-05-29
1,183 reads
This component needs little explanation. It generates random integer (DT_I4) and string (DT_WSTR) data and places them in the pipeline. You specify how many columns of each you would like and for any string columns you pass a fixed length value. You then need to specify how many rows in total you require to be generated.
2008-05-28
2,077 reads
Last time, we discussed Table inheritance, which allowed us to easily reduce redundancies in our table design by creating "base" or "super" tables that contain columns and relations that "sub-tables" automatically inherit.
2008-05-28
3,163 reads
I need a way to create a data dictionary that will stay up to date. I make many changes to the database and I spend more time trying to keep the documentation updated than doing database administration.
2008-05-27
6,370 reads
Learn how to use SQL Server Agent alerts and jobs to fix policy incompliance automatically.
2008-05-26
1,726 reads
The STIG is detailed, which is a good thing, but I found myself wanting...
By Steve Jones
After my session at VSLive last week, I had a few questions from the...
Referrals have never been more important in the job market. They’re no longer nice...
Jl. Raya Pasar Minggu No.64, RT.6/RW.8, Kalibata, Kec. Pancoran, Kota Jakarta Selatan, Daerah Khusus...
Jl. Melawai Raya No.3, RT.3/RW.1, Melawai, Kec. Kby. Baru, Kota Jakarta Selatan, Daerah Khusus...
I have about 100 Tables that are all suffixed with _Modify. These tables record...
If I want to know whether a number of negative, positive, or zero, what is the easiest way to get this in T-SQL?
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