Defensive Db Programming Chapter 05
We are here again with after another week and ready for another episode in this series. Today we get to...
SQL Schema Comparison with Visual Studio 2010
we normally do development on the development box; then during the build preparation we compare the development database with the QA/UAT/Production database to identify differences and generate schema objects for synchronization or incremental deployment scripts. How we can compare schema objects between databases and generate synchronization or incremental deployment scripts?
Individual Contributions
Each person on a team, or even in a company, can contribute something. Steve Jones reminds us not to assume we are better than others because of our job.
A deadlock was detected while trying to lock variables in SSIS
Error: 0xC001405C at SQL Log Status: A deadlock was detected while trying to lock variables "User::RowCount" for read/write access. A lock cannot be acquired after 16 attempts. The locks timed out. Have you ever considered variable locking when building your SSIS packages? I expect many people haven’t just because most of the time you never see an error like the one above. I’ll try and explain a few key concepts about variable locking and hopefully you never will see that error
SSIS: Conditional File Processing in a ForEach Loop
I’ve fielded a number of requests recently asking how to interrogate a file within SSIS and change the processing rules...
Mutexes in SQL
This article shows you how to manage process control among multiple servers using a lightweight database utility
The DBA Financial Analyst
Will DBAs need to perform more complex financial analysis of the options they consider when building and tuning software systems? Steve Jones thinks it might be a skill needed in cloud computing.
Security Auditing Matching Up Logins And Users
I have been tasked with auditing security on my SQL Server. However, this needs to be a somewhat automated process as I don't want to have to rely on taking screenshots every month to satisfy our auditors. What tables and/or views should I be using and what's the best way to extract the information out of them?
The Semantics of NULL in SQL Server 2008
Learn the basics of NULL, what it is, and how to query for it in your databases from Adolfo Socorro. What NULL means, how to account for it, and how are expressions involving NULL evaluated
Tracy Hamlin, Exceptional DBA of 2010, on what it means to go the extra mile
An interview with the Exceptional DBA of 2010, Tracy Hamlin.
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