Randomizing Result Sets with NEWID
Seth Delconte brings us a technique to solve a common request. Using the NEWID function to return a random record from a result set.
Reaching for the Clouds
This past week's news had a lot of news about cloud computing and Steve Jones comments on a few database related items.
IntelliSense Slow to Refresh
IntelliSense in SQL Server 2008 can sometimes not be very intelligent. It’s there to help you can sometimes cause more...
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.
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?
Timing is Everything
For this Friday poll, Steve Jones asks about storing time values. Should they always be in UTC? Does that solve more problems than it creates?
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.
Experiments with Data Compression in SQL Server 2008
Data compression is an Enterprise Edition only feature that was added in SQL Server 2008. It allows you to use...
SQLSaturday Acquired by PASS – Reactions
The Announcement
On February 2nd, PASS (@sqlpass), here, and Andy Warren (@sqlandy), here, announced ownership of the SQLSaturday franchise brand was transferred...
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:
Blogs
Optimizing Redshift Performance by Configuring WLM Queues
Efficient query performance in Amazon Redshift often comes down to how well you manage...
PowerShell Strikes Back: Return of the Loop
By gbargsley
Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...
Breaking Rules in Rome
By Steve Jones
Last week I was honored with a trip to Rome for the Redgate President’s...
Forums
Merge Replication failing with Error converting data type nvarchar to numeric
After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...
Why Your Index Isn't Being Used? - Reading Execution Plans to Find the Real Culprit
Comments posted to this topic are about the item Why Your Index Isn't Being...
Distance Metric Algorithms
Comments posted to this topic are about the item Distance Metric Algorithms
Question of the Day
Distance Metric Algorithms
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
See possible answers