In the first two articles in this series on creating DAX formulae, Andy Brown of Wise Owl Training showed how to create calculated columns and measures. In this third article, he turns his attention to two of the most important DAX functions (CALCULATE and VALUES), showing how and when to use them. If DAX knowledge can be compared to a heavily fortified castle, the CALCULATE function is the drawbridge giving access to it.
2019-02-18
2,279 reads
Years ago, my first go-to tool for performance tuning was Performance Monitor: it was available everywhere, worked in all versions, and gave me a lot of useful information without paying for a monitoring tool. Since then, I’ve moved on – wait stats are a much better starting point – but there are still 3 good Perfmon counters that I rely on.
2019-02-13
2,442 reads
In this tip we look at some things you should think about when planning for a SQL Server data warehouse.
2019-02-12
2,879 reads
Whether or not to have NULLable columns in a table can be a religious debate, and how missing data is represented should be carefully considered during database design. In this article, Joe Celko considers the ways that SQL Server handles NULLs in several situations.
2019-02-11
3,289 reads
Wait! Before you install that next SQL Server, hold up. Are you sure you’re using the right version?
2019-02-08
4,012 reads
In order to protect data and comply with regulations such as the GDPR and HIPAA, databases used by developers and testers must not contain private and sensitive data from production databases. To help DBAs protect data, Microsoft have released a new feature as part of SSMS called Static Data Masking. In this article, Greg Larsen demonstrates how to use this new feature.
2019-02-07
2,794 reads
Learn how to import data into Power BI using either R or Python scripts.
2019-02-06
2,238 reads
As more dev teams move their code to Git, it’s important to understand the differences between it and other tools they have used in the past. In this article, Michael Sorens provides some good advice about doing code reviews with Git.
2019-02-05
3,221 reads
When most of us think of robotics used in enterprises, automating manufacturing processes comes to mind. Robotics Process Automation (RPA), however, deals with automating mundane office tasks. In this article, Arvind Kumar explains the benefits of RPA and presents a case study.
2019-02-04
2,164 reads
How much do database administrators, analysts, architects, developers, and data scientists make? We asked, and 882 of you from 46 countries answered this year. Y’all make a total of $84,114,940 USD per year! Hot diggety. (And at first glance, it looks like on average, y’all got raises this year.)
2019-02-01
4,009 reads
By Vinay Thakur
I wrote about TempDB Internals and understand that Tempdb plays very important role on...
By Vinay Thakur
continuing from Day 1 where we covered the history of AI and GPT family,...
By Steve Jones
It’s a day off for Redgate today. This is our annual wellbeing day, where...
Comments posted to this topic are about the item A Quick Restore
Comments posted to this topic are about the item Guarding Against SQL Injection at...
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
While doing some testing of an application, I wanted to reset my environment after doing some testing with this code:
USE DNRTest BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO /* Bunch of stuff tested here */RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens if this runs, assuming the "bunch of stuff" isn't anything affecting the instance. See possible answers