Multiple Regression Model Enhanced with Bagging
This article explains what bagging is relative to a basic decision tree model and demonstrates how to apply bagging for better multiple regression model fits to data from SQL Server.
2021-01-20
Articles
Mathematicians and SQL
Georg Ferdinand Ludwig Philipp Cantor is considered the creator of set theory, and his theories are the basis for the naïve set theory you learned in school. But there are lots of other mathematicians you should know, such as Hilbert, Frege, Russell, Zermelo and Dedekind. They made a lot of contributions, too. Hilbert Hilbert is […]
2021-01-19
5,641 reads
DAX financial functions: Depreciation calculations
Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson continues his series surrounding the DAX financial functions. In this article, he exposes four functions that are popular in the calculation of depreciation and amortization. Those accustomed to these functions within Excel will find the syntax, uses and operation of the functions familiar within the Power BI environment.
2021-01-19
Ten Reasons your SQL Server Monitoring will Scale
This article explains ten ways that SQL Monitor tackles the problem of scaling out the coverage of a single, lightweight monitoring system, and so allows your teams to maintain the health and performance of larger collections of databases and higher numbers of monitored SQL servers.
2021-01-19
Using an RDL File Locally in .NET to Print Reports
The need to print doesn't seem to go away. Using RDL format report file you can print local reports in .net to PDF without having to connect to a Reporting Service Server.
2021-01-18
12,587 reads
SQL Server Monitoring for all Availability Groups
In this article we present a PowerShell script that can help you monitor all of your SQL Server Availability Groups in your environment.
2021-01-18
ASCII Text Dump
Introduction Recently, I had the task of analyzing a varchar field for special characters. The field contained text entered by the user with a standard US keyboard; however, the proprietary software was breaking up the text and delimiting it with characters whose ASCII values were above 127. Eyeballing the text that I dumped using a […]
2021-01-15 (first published: 2019-11-12)
8,712 reads
Azure Blob Storage Data Upload with SSIS
In this article we look at how to upload and download files from Azure Storage using SQL Server Integration Services.
2021-01-15
Using SQL Compare and SQL Data Compare within a PowerShell Cmdlet
SQL Compare and SQL Data Compare can be used together, from the command line, to provide a complete build process, or to script out changes to both the database and its development data. For doing this routinely, I find it easiest to script the operation using PowerShell.
2021-01-15
2021-01-14
46,107 reads
Blogs
Why your data still can’t answer a simple question
Every organization I talk to has the same problem dressed up in different clothes....
T-SQL Tuesday #197 Invitation – An impactful session or two from a conference
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
Did You Really Name That Default?
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Forums
The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI
Comments posted to this topic are about the item The day-to-day pressures of a...
Daily aggregation of Azure Blob Storage by tier (created/tier-change/deleted)
Hello all, I’m looking for advice on how to derive a daily snapshot table...
SQL 2017 to SQL 2025. Good to Go ?
We need to replace our Windows server running SQL 2017. Any reason not to...
Question of the Day
Using OPENJSON
I have some data in a table that looks like this:
BeerID BeerName brewer beerdescription 1 Becks Interbrew Beck's is a German-style pilsner beer 2 Fat Tire New Belgium Toasty malt, gentle sweetness, flash of fresh hop bitterness. 3 Mac n Jacks Mac & Jack's Brewery This beer erupts with a floral, hoppy taste 4 Alaskan Amber Alaskan Brewing Alaskan Brewing Amber Ale is an "alt" style beer 8 Kirin Kirin Brewing Kirin Ichiban is a Lager-type beerIf I run this, what is returned?
select t1.[key]
from openjson((select t.* FROM Beer AS t for json path)) t1 See possible answers