Index Internal Structure in SQL Server: Stairway to SQL Server Indexes Level 10
A detailed look the B-Tree structure – Leaf level and non-leaf level.
Sub query expressions vs. Joins.
Do sub query expressions introduce a performance penalty on retrieving large data sets?
Thoughts on Survival
Today we have a guest editorial from Andy Warren. Are you in a survival job? Read Andy's thoughts and let us know.
Incorporating XML into your Database Objects
XML data can become a full participant in a SQL Server Database, and can be used in views, functions, check constraints, computed columns and defaults. Views and table-valued functions can be used to provide a tabular view of XML data that can be used in SQL Expressions. Robert Sheldon explains how.
Better Than Batman
Steve Jones praises Bill Gates today, and the work he is doing to make the world a better place.
PASS Data Architecture Virtual Chapter presents Audrey Hammonds – Database Makeover: Renovate You Data Model
On Thursday January 19th at 12 noon Central, Audrey Hammonds will discuss renovating your data model while keeping you’re the production system humming
Restoring SQL Server System Databases MSDB and Model
Due to a recent rebuild of the master database for a SQL Server instance, I now need to restore the msdb and model databases. In this tip we walk through the process that you need to follow to restore the model and msdb databases successfully.
Setting Up Email Notification for SSIS Package Failure
As a DBA, we often setup monitoring to receive job failure notification, but when it comes to SSIS packages, we either do not capture the job failure (if the job runs through the command prompt) or we have no idea why it failed. In this article, I'd like to walk you through how to enable the logging functionality for SQL Server Integration Services (SSIS) and how to capture detailed information for immediate troubleshooting without "re-run" the package.
A script task alternative to a massive SSIS multicast transformation
A Multicast Transformation can be used to write the same data file to multiple network folders, but it can be tedious and time-consuming to set up as the number of destination files grows. Learn how you can use this transformation in this article by Stan Kulp.
Blogs
T-SQL Tuesday #198 Roundup: How Do You Detect Data Changes?
Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the...
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...
Forums
Dealing with huge heap tables
Recently, our dev teams approach me for advice on improving their huge heap table...
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...
Question of the Day
Distance Metric Algorithms
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
See possible answers