Excel File Data Validation for SQL Server Imports
Jeffrey Yao suggests a solution to validate Excel data via PowerShell and Regular Expressions.
MCSA 70-462 Training Kit Preparation: Hyper-V Lab Environment Setup
If you are planning on taking the Microsoft Certification Exam for 70-462, this guide provides the step-by-step instructions to completely setup your Hyper-V lab environment used in the official training kit.
PowerShell and ADO.NET Connection String Settings for SQL Server
Tim Smith addresses some common questions from PowerShell developers about connection strings, errors with strings, and alternative development approaches to using connection strings.
When to Quote in PowerShell
The one question about PowerShell that trips up almost everyone is about when and how to quote strings. Because PowerShell replaces the old command shell, it has to be able to work the way that it did with string parameters, but it also has to behave like a .NET scripting language to replace VBA. In this article, Michael Sorens explains the how and when of PowerShell quoting.
More on CXPACKET Waits: Skewed Parallelism
When cardinality estimates are incorrect, the parallel threads doing the query work are given uneven amounts of work to do. This problem can lead to a seeming explosion in CXPACKET waits occurring and is commonly called skewed parallelism; Paul Randal explains how to check for it.
SQL 2016: Columnstore row group Merge policy and index maintenance improvements
Denzil Ribeiro looks at how SQL Server 2016's new Merge functionality in INDEX REORGANIZE simplifies Columnstore index maintenance significantly.
Blogs
Advice I Like: Respect
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Blue Sky Programming – The Optimism Trap
Many years ago, before I joined Oracle, I was working on a major modernisation...
Setting Up a Mac for Data Engineering and AI Work
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Is Fabric a Reliable Service or a Ripped Resource?
Comments posted to this topic are about the item Is Fabric a Reliable Service...
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Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers