When we have to deal with and store a lot of data, it makes sense to aggregate it so that we store only the information we actually need. If we get this right, this works well, but the design of the system takes care and thought because the problems can be subtle and various. Joe Celko describes some of the ways that things can go wrong and end up providing incorrect, inaccurate or misleading results.
You are given an export of a NoSQL database, in JSON, and asked to import it into a relational database. Sounds easy? It isn't and Phil Factor explain why.
Have you ever wondered how much database mail you have sent in the past day or week? What about those database mail items that were not successfully sent. In this tip, Greg Larsen shows you how to review the database mail items that have been processed by SQL Server.
Do you use version control for your databases? For your application code? Is there a time when you think it's not needed? Steve Jones asks the question today.
Why are practices like version control, continuous integration and automated deployment being introduced to application development but left on the shelf when it comes to the database? In search...
SQL Server 2016 introduced a new feature called Distributed Availability Group. A Distributed Availability Group is a special type of Availability Group that spans two separate Availability Groups. Edwin Sarmiento explains.
In prediction, accuracy is key. But it's not all it's cracked up to be as we will explore.
Equipment can matter for IT professionals. Read a few thoughts from Andy Warren.
Graph databases are useful for certain types of database tasks that involve representing and traversing complex relationships between entities. These can be difficult to do in relational databases and even trickier to report on. Until now, we have had the choice of doing it awkwardly in SQL Server or having an ancillary database to tackle this type of task. SQL Server 2017 will be bringing graph capabilities to the product but will these features prove to be good enough to allow us to dispense with specialised Graph databases? Dennes Torres decided to find out.
In last months one of the scenarios where you can use AI has been...
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
By Steve Jones
It was neat to stumble on this in the book, a piece by me,...
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In SQL Server 2025, a backup can be made on Azure Immutable Storage. What changes in how the backup is created?
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