Articles

External Article

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

External Article

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

Technical Article

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:

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2010-02-26

2,504 reads

Technical Article

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.

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2010-02-25

2,388 reads

Technical Article

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.

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2010-02-24

1,994 reads

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Squared Values

What happens when I run this code in SQL Server 2022? 

SELECT SQUARE('12')

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