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Archive for the ‘Database’ Category
XML Configuration files in SQL Server Integration Services
August 21st, 2011 
wiseinn
by Robert Sheldon Package configuration files are a great way of providing the values of SSIS package properties so that packages can be used in a far more versatile way. They make the deployment of SSIS packages easier and can provide parameters that are based on the server configuration, or which change for each runtime. They’re easy to understand, [...]
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Adding the Script Task to Your SSIS Packages
August 21st, 2011 wiseinn
by Robert Sheldon Script tasks are a great way of extending SSIS functionality, when none of the built-in components are quite right for the task you need to perform. But how to go about creating a script task? No worries, once again Robert Sheldon is on hand to provide easy instructions on how to do it. One [...]
SSIS Event Handlers Basics
August 21st, 2011 wiseinn
by Robert Sheldon SSIS event handlers are the simplest means of turning an SSIS script into a reliable system that is auditable, reacts appropriately to error conditions, reports progress and allows instrumentation and monitoring your SSIS packages. They are easy to implement, and provide a great deal of flexibility. Rob Sheldon once again provides the easy, clear introduction. Since the [...]
Correlating SQL Server Profiler with Performance Monitor
February 21st, 2011 Mushrraf
In the past, when watching the % Processor Time counter in Performance Monitor on my live production SQL Servers, I would occasionally see sudden spikes in CPU utilization, to 50, 70 or even 80%. These spikes might last several minutes or more, then disappear. In some extreme cases I would see spikes that lasted 30, [...]
Get Started with Chart Development in Reporting Services 2008
February 16th, 2011 Mushrraf
One of the greatest rewards of developing any type of report is to transform the vast amounts of business data into useful information that can support commercial decision-making; producing such reports as the performance of an internal process, percentage of an employees’ contribution to overall product sales, or a department’s budget compared to other departments. [...]
Look-up Tables in SQL
February 16th, 2011 Mushrraf
History Tables, in a properly designed schema, model either an entity or a relationship, but not both. Slightly outside of the tables in the data model, we have other kinds of tables. Staging tables bring in "dirty data" so we can scrub it and then insert it into base tables. Auxiliary tables hold static data [...]
Database Refactoring
February 16th, 2011 Mushrraf
Much of the material that I’ll discuss in this article comes from the excellent work done by Scott W Ambler and Pramodkumar J. Sadalage who wrote the book ‘Refactoring Databases: Evolutionary Database Design’ and maintain the site http://www.agiledata.org/. Just as Martin Fowler’s original book ‘Refactoring: Improving the Design of Existing Code’ introduced the world to [...]
Data Conversion in SQL Server
February 16th, 2011 Mushrraf
When working with data in a SQL Server database, you might find that some of that data needs to be converted from one data type to another. For example, suppose you need to compare two numbers, one configured with a numeric data type and one configured with a string data type. To perform the comparison, [...]
Collecting Performance Data into a SQL Server Table
February 14th, 2011 wiseinn
Occasionally, when tracking down a performance problem, you have to have information over time on the values of particular sets of performance counters. To track down the more insidious or sporadic problem, it is best to have the data in a SQL Server table, so you can query it. Feodor Georgiev explains the command-line way [...]
Get Started with Chart Development in Reporting Services 2008
February 14th, 2011 wiseinn
With Reporting Services 2008, it is now much easier to produce charts from data in SQL Server, and the variety of charts seems almost limitless. All you need to get started is a quick step-by-step guide that tells you the basics and gets you past the stage of creating the first chart. Well, here it [...]
