There may be times when you need to perform maintenance against a database that requires you to keep normal database users from connecting to your database while the maintenance is being performed. You want to stop users from connecting right away, but you want the database to be in a state that you can perform maintenance.
2017-12-28
5,508 reads
Choosing the right data platform is not an easy task. Warner Chaves compares the capabilities of the big three Database as a Service (DBaaS) offerings, Microsoft’s Cosmos DB, Google’s Cloud Spanner, and Amazon’s DynamoDB, to help you make the right choice for your application.
2017-12-27
3,064 reads
Brent demos a single query plan that asks for 2 identical indexes on the same table.
2017-12-26
3,142 reads
Ameena Lalani looks at cascading updates and deletes when using temporal tables in SQL Server.
2017-12-25
3,228 reads
Tim Radney of SQLskills talks about the various Standard tiers available in Azure SQL Database – what they get you, and how much they cost.
2017-12-22
3,997 reads
SQL Server orphaned users are a common thorny issue in auditing. In this post, Jeffrey Yao provides a few different ways of identifying orphaned users covering various scenarios.
2017-12-21
3,707 reads
As the final entry in this series, Robert Sheldon leads you through a group of forgotten features that have been removed from recent versions of SQL Server. In some cases, the features were widely used and often loved, while others had lost their usefulness over the years or were replaced with something much better. In this article, he remembers Data Transformation Services (DTS), a handful of DBCC commands, a few utilities, Active Directory Helper Service, English Query, Web Assistant, SQL Mail, Native XML Web Services, Notification Services, SQL Distributed Management Objects, Surface Area Configuration Tool, and the Pubs and Northwind databases.
2017-12-20
3,745 reads
You can use the Data Migration Assistant (DMA) tool to migrate your SQL Server instance to an on-premise SQL Server 2017 or to Azure SQL Database. DMA analyzes data migration issues and provides recommendations to resolve them. Read on learn about the features of DMA and how DMA eases your SQL Server instance migration as well as reduces overall risks, allowing you to complete the migration successfully.
2017-12-19
3,471 reads
Writing aggregate queries is one of the most important tasks for anyone working with T-SQL. Determining the expressions required in the GROUP BY clause is not that difficult, but what do you do if you need to include different combinations of group by expressions in the same result set? Alfonso demonstrates how to use the GROUPING SETS operator to accomplish this task.
2017-12-18
4,860 reads
Vitor Montalvao explains how to work with the basic configuration settings for a SQL Azure database from the Microsoft Azure portal itself.
2017-12-15
4,054 reads
By Steve Jones
It’s Prime Day. A few of my recommendations, since I want to do some...
With Fabric Mirroring, Microsoft is promoting a nice and appealing story for operational reporting...
If you’ve been watching AI roll through the data community and thinking, “this seems...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers