Bad Cardinality Estimates from SSMS Plans – Redux
Aaron Bertrand shares some insight about early changes to Plan Explorer that help to provide you with the most accurate information we can.
2016-04-04
2,780 reads
Articles
2016-04-01
1,482 reads
If SQL Server Runs on Linux, What's Left for April Fools Day
It’s still a bit hard to believe that SQL Server will soon run on Linux. If you think back to the early days of SQL 7, 2000, even 2005, who would have bet any money on it ever happening?
2016-04-01
2,222 reads
Relational Algebra and its implications for NoSQL databases
With the rise of NoSQL databases that are exploiting aspects of SQL for querying, and are embracing full transactionality, is there a danger of the data-document model's hierarchical nature causing a fundamental conflict with relational theory? We asked our relational expert, Hugh Bin-Haad to expound a difficult area for database theorists.
2016-04-01
3,673 reads
Creating a Date Dimension in a Tabular Model
As well as its multidimensional model, SQL Server Analysis Services (SSAS) now has a tabular model of database that either runs in-memory or in DirectQuery mode. The in-memory analytics engine allows the users of Excel or Power View to base reports on tabular model objects. Having shown how to handle date-based information using the Multi-dimensional model, Dennes now turns his attention on the in-memory tabular model.
2016-03-31
4,032 reads
Getting started with the SSIS Script Task
The SSIS Script Task allows you to add functionality to your SSIS package that does not already exist with the other predefined tasks. In this article, Daniel Calbimonte looks at how to get started using the SSIS Script Task with a few examples.
2016-03-30
4,402 reads
Introduction to Protecting SQL Server with Azure Site Recovery
Microsoft cloud platform allows you to provide resiliency for your on-premises SQL Server deployments. Marcin Policht describes this functionality, available as part of the Azure Site Recovery solution.
2016-03-29
4,191 reads
Webinar - Redgate DLM Demo (with TFS, TFS Build & Microsoft Release Management)
Redgate’s Arneh Eskandari and Microsoft SQL Server MVP, Steve Jones, will show you how Redgate’s DLM (Database Lifecycle Management) solution works to improve your database development and deployment processes. Today 12noon EDT
2016-03-29
5,329 reads
SQL Server Metadata Functions: The Basics
To be able to make full use of the system catalog to find out more about a database, you need to be familiar with the metadata functions. They save a great deal of time and typing when querying the metadata. Once you get the hang of these functions, the system catalog suddenly seems simple to use, as Robert Sheldon demonstrates in this article.
2016-03-28
6,652 reads
Why Every SQL Server Installation Should Be a Cluster
In this article, I’ll attempt to “convince” you that every SQL Server you put into production should be a SQL Server Failover Cluster Instance (FCI).
2016-03-25 (first published: 2014-04-15)
14,417 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