Articles

Technical Article

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.

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2010-03-02

2,695 reads

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

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SQL Server 2025 Server-level Roles

In SQL Server 2022+, what does the ##MS_DatabaseConnector## role allow?

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