Using The Data Mining Query Task in SSIS
The Data Mining Query Task can be used to run prediction queries based on data mining models built in analysis service.
2010-03-04
2,911 reads
Additional Articles
Efficiently Reuse Gaps in an Identity Column
This article will demonstrate an efficient way to reuse gaps in an identity column. Please note that this is something you normally shouldn't be bothered about in a well-designed database or application. However, there are circumstances where you are forced to do this.
2010-03-03
2,989 reads
Ten Problems with XQuery and the SQL/XML Standard
XQuery and SQL/XML standard are processors for XML. SQL/XML was designed to try to match the capabilities of XQuery as closely as possible and XQuery was designed not only to support XML, but also to support relational processing. Read on to learn why this may have a negative influence on their capabilities.
2010-03-02
2,695 reads
Mission Critical: SQL Server 2008 General Maintenance
This document contains steps that will assist you in the day-to-day SQL Server 2008 RTM Enterprise Edition (non-clustered) operations. It defines the basics of standard maintenance and checks for a single Instance of SQL Server 2008, and should be used as a starting point.
2010-03-01
3,120 reads
Using a Parent Child Hierarchy in SQL Server to Implement a Custom Security Scheme
I have a requirement to implement a custom security scheme where roles and the user's place in the organization hierarchy are used to determine which customers a user can access. In particular the requirements are that a sales person can only access their customers and any other role can access any customer in their level of the organization hierarchy and below. We have a simple hierarchy that is made up of regions and offices. Can you provide us with an example of how to do this?
2010-03-01
3,410 reads
Exceptional PowerShell DBA Pt 3 - Collation and Fragmentation
In this final look into his everyday essentials, Laerte Junior provides some useful scripts for the DBA that use an alternative way of error-logging. He shows how to use a PowerShell script to check and, if necessary, to defragment your indexes, write data to a SQL Server table, and change the collation for a table. Being an exceptional DBA just got a little easier.
2010-02-26
2,552 reads
Upgrading Replication from SQL Server 2000 32-Bit to SQL Server 2008 64-Bit without re-initialization
In this article we summarized the experiences we gathered during the planning and upgrade of a customer's project. The customer is one of the largest retail shops in its area. Their architecture is made up of a main server, which is located at headquarters and hosts several hundred publications containing over a thousand articles. Regional stores are located all over the country acting as subscribers for the publications hosted on the main server. Based on the business needs and infrastructure limitations the customer set the following goals for the project:
2010-02-26
2,504 reads
SQL Server Impersonation
SQL Server impersonation, or context switching, is a means to allow the executing user to assume the permissions of a given user or login until the context is set back, set to yet another user, or the session is ended. Deanna Dicken shows you two mechanisms for accomplishing this task and walks through some examples.
2010-02-25
2,388 reads
Microsoft SQL Server 2008 Analysis Services Consolidation Best Practices
This technical note describes the consolidation options, considerations, and best practices for Microsoft® SQL Server® 2008 Analysis Services that the SQL CAT team has derived from working with Analysis Services customers. In this technical note, we also discuss an Analysis Services load balancer solution that one of our internal customers uses to load balance queries from Microsoft Excel® and SQL Server Reporting Services clients across multiple query servers to increase query performance and provide availability.
2010-02-24
1,994 reads
SQL Server Lazy Writer Issue: Warning, No Free Buffers Found
This tip is intended to help someone who is or will be facing a no free buffer found issue with the SQL Server LazyWriter. Recently, we experienced some unknown issues with our SQL Server and after inspecting the error log file we noticed the following errors: "SQL Server has encountered 50 occurrence(s) of I/O requests taking longer than 15 seconds to complete on file..." and "LazyWriter: warning, no free buffers found." These error messages were followed by a SQL Server memory dump file like SQLDump0030.mdmp in the file system.
2010-02-23
2,484 reads
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Question of the Day
The Max PK Length
If I create a multiple column Primary Key constraint, what is the most number of bytes I can include in the constraint?
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