It sounds simple enough. Either your column will always have a value or it may not. Yet somehow such a seemingly simple decision can become a never-ending debate where database schema begins to resemble superstition and designing effective tables seems more contentious than you expected it to be.
A list of data sets you can download and play with for practice, demos, or your own analysis.
Although SQL Server Data Tools (SSDT) encourages 'disconnected' database development, it also provides the SQL Server Object Explorer (SSOX) tool in SSDT’s Visual Studio shell to connect to a live development instance or view an SSDT project once all references have been resolved.
Defining unique records in an Oracle table is necessary for employee data, and manufacturing part numbers and user names, to name a couple of examples. David Fitzjarrell looks at the various ways uniqueness can be defined, and which method may not be acceptable to third-party applications.
It’s easy to get caught up in daily incidents, tickets, and special projects. Like a good scout, though, a core task in a DBA’s job is to be prepared.
Today Steve Jones looks at the security enhancements in SQL Server 2016
Koen Verbeeck looks at how to embed data visualizations created with R into Reporting Services (SSRS) reports.
By HeyMo0sh
In my experience, FinOps success has never been just about tools or dashboards. It...
By HeyMo0sh
As a DevOps person, I know that to make FinOps successful, you need more...
By HeyMo0sh
As someone who works in DevOps, I’m always focused on creating systems that are...
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I have a database, DNRTest, that has a number of tables and other objects in it. The other day, I was trying to mock up a test and ran this code on the same server:
-- run yesterday CREATE DATABASE DNRTest2 GO USE DNRTest2 GO CREATE TABLE NewTable (id INT) GOToday, I realize that I need a copy of DNRTest for another mockup, and I run this:
-- run today USE Master BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO RESTORE DATABASE DNRTest2 FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens? See possible answers