Are nulls stored in a nonclustered index?
When you index a nullable field, are the rows with nulls stored in the index? It’s easy enough to find out by creating a table with a nullable field, and then creating an index on it.
2019-03-29
Articles
Based in Dallas, TX? Join Redgate and Braumiller Law Group at their GDPR event tonight.
Join the FACC DFW for a night of innovation and European-American networking across industries. We invite you to a discussion with experts from Braumiller Law Group and Redgate Software UK to help answer your questions and learn about GDPR in copious capacities. (Use code REDGATE for member rate.)
2019-03-28
1,011 reads
Breaking the 4th Wall with Unity
Even when creating games, your code has access to environment variables and document files. In this article, Lance Talbert shows how to access files to convince the player that maybe the game knows more than it should.
2019-03-28
Complimentary access to Gartner Guide
Redgate has been acknowledged as a representative vendor in the Gartner 2018 Market Guide for Data Masking. For Gartner’s insights, analysis and recommendations on data masking you can get your complimentary copy of the report from Redgate.
2019-03-28 (first published: 2019-03-20)
603 reads
Create Azure Data Lake Linked Service Using Azure Data Factory
In this article we walk through a step-by-step example on how to create an Azure Data Lake Linked Service in Azure Data Factory v2.
2019-03-27
Experiments with full text search
Would a crazy idea using full text thesaurus and phonetic keys actually have worked?
2019-03-26
2,218 reads
Creating CRUD Stored Procedures in SQL
Back to the basics: learn how to Create, Read, Update and Delete operations are pivotal for any database application. Plus, you’ll see how to use Stored Procedures to manipulate data on the database side instead of on the application side.
2019-03-26
Introduction to SQL for Cosmos DB
This article by Adam Aspin reviews the Azure Cosmos DB SQL API from the perspective of the relational database developer. More specifically it will show you how to leverage your Structured Query Language skills to exploit the core possibilities of Cosmos DB as a NoSQL document database.
2019-03-25
219 reads
SQL Server Management Studio Tips
A complete guide to the hidden gems of SQL Server Management Studio (SSMS), covering shortcuts, tips and tricks, useful scripts, and more.
2019-03-22 (first published: 2017-08-14)
16,885 reads
Can deleting rows make a table…bigger?
Michael J. Swart posted an interesting question: he had a large table with 7.5 billion rows and 5 indexes. When he deleted 10 million rows, he noticed that the indexes were getting larger, not smaller.
2019-03-22
2,752 reads
Blogs
Keeping Redshift System Table History Past 7 Days with S3 Tables
Redshift keeps its SYS_* monitoring views for seven days in cluster, which is fine...
Updating the Data API Builder
By Steve Jones
I was updating my session for the Data API Builder (DAB) recently, mostly to...
T-SQL Tuesday #202 Invitation: That One SQL Server Outage You’ll Never Forget
I am excited to host T-SQL Tuesday for the first time. I want to...
Forums
Practical Ways to Approach SQL Server Problems and Case Studies
Working with SQL Server can involve more than just writing queries. Understanding database design,...
Measuring Productivity
Comments posted to this topic are about the item Measuring Productivity
Importing Excel files into SQL Server using DuckDB and Python
Comments posted to this topic are about the item Importing Excel files into SQL...
Question of the Day
Tracking All the Queries
I have 3 instances of a brand new long running query that are executing on a SQL Server 2025 instance. Query store is enabled. One of the queries is killed by the administrator, one is cancelled by the user. The other runs to completion. How many rows are in Query Store for this query?
See possible answers