Development & Programming
Development and Programming best practices, tips and lessons learned from top SQLCAT projects.
Implementing a hierarchy structure in a relational data base normally takes a bit of work. The new SQL Server data type for hierarchyID gives a good shortcut to the old methods, makes it faster to get a solution in place and makes it much easier to maintain.
Read More...
In data warehouses, it is quite common that fact records arrive with a source system key that has not yet been loaded in the dimension tables. This phenomena is known as “late arriving dimensions” or “early arriving facts” in Kimball terminology. When
Read More...
At first I was going to write a detailed white paper about the conversion effort. But someone has already done it. There is a very good guide at: http://nationalcom.com/home/download/Conversion-VFP-SQLServer.pdf Since FoxPro is nearing its end of life,
Read More...
The database system in a company that is growing internationally must support multilingual characters in tables with Unicode data types. Existing d atabases that support only non-Unicode information must be migrate d from non-Unicode data type to Unicode
Read More...
Many-to-many dimension relationships in SQL Server 2005 Analysis Services (SSAS) enable you to easily model complex source schemas and provide great analytical capabilities. This capability frequently comes with a substantial cost in query performance
Read More...
For those of you whom want to know a little more about precision considerations for Analysis Services users, please check out this recently released whitepaper at http://www.microsoft.com/downloads/details.aspx?familyid=bae8beec-9892-4ecd-a9db-292254895f9c&displaylang=en
Read More...
Scale-Out Querying with Analysis Services Using SAN Snapshots
Read More...
Identifying and Resolving MDX Query Performance Bottlenecks in SQL Server 2005 Analysis Services There are a variety of things that you can do to improve the performance of an individual MDX query. To begin, you must identify the source(s) of the performance
Read More...
Author: Denny Lee Contributors: John Desch, Kevin Cox Reviewers: Robert Zare DRILLTHROUGH MDX Overview DRILLTHROUGH MDX is a very powerful way to drillthrough to your original data source of detail data that make up the aggregations that you are looking
Read More...
Goal This document describes how to build Create Cache commands. Create Cache for Analysis Services (AS) was introduced in SP2 of SQL Server 2005. It can be used to make one or more queries run faster by populating the OLAP storage engine cache first.
Read More...
Summary: SSAS uses partitions to contain cube data. Small cubes might use only one, but for non trivial cubes, cube designers will create partitions based on ease of managing data and to split groups of data. This document discusses how the server uses
Read More...
http://www.microsoft.com/technet/prodtechnol/sql/bestpractice/default.mspx Get the real-world guidelines, expert tips, and rock-solid guidance to take your SQL Server implementation to the next level. Drawing on the extensive experience and expertise
Read More...
Overview SQL Server’s 2005 Analysis Services has introduced several changes to the MDX queries syntax that can lead to better performance than the equivalent AS 2000 queries. Here is a list of tips and tricks as well as best practices on how to get better
Read More...
Many applications need to generate sequentially incremental number as unique/primary key of records. This blog describes additional options of generating sequence numbers beyond the SQL Server's support of identity column.
Read More...
SQLCAT Blog: Managing Schema Changes (Part 2) Question: What are best practices for managing schema changes in SQL Server 2005? What are the fastest, least intrusive techniques for high availability? Answer: In Part 1, we outlined the behavior of SQL
Read More...
