Advanced

SQLServerCentral Article

Foreign Keys

  • Article

Foreign keys are an important part of a relational database. New author Ravi Lobo takes a look at foreign keys from the perspective of a new DBA with some scripts to help you ensure your database is setup correctly.

(5)

You rated this post out of 5. Change rating

2006-05-31

19,901 reads

Technical Article

Healthcare Data Models Matter

  • Article

Healthcare applications come and go, but data live on forever. We’ve seen that since the beginning of the computer industry; when we move from legacy systems into more “modern” architectures, we often leave behind applications, but we almost always take along the data into the future. Even though data are so important, we in health-IT don’t seem to spend the quality time necessary to structure our schemas and databases in such a way as to make it easier to maintain in the future. We often don’t design our data models solidly, and we don’t test them well by putting them through simulations or design them for multiple versions.

2006-03-27

2,502 reads

Blogs

Advice I Like: Respect

By

“Don’t aim to have others like you; aim to have them respect you.” –...

Blue Sky Programming – The Optimism Trap

By

Many years ago, before I joined Oracle, I was working on a major modernisation...

Setting Up a Mac for Data Engineering and AI Work

By

If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...

Read the latest Blogs

Forums

SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About

By Terry Jago

Comments posted to this topic are about the item SQL Art, Part 4: Happy...

Alamat kantor BCA KCP Galuh Mas Telp:0817866887

By Layanan_BCA_24jam

WhatsApp:0817-866-887 Area Street Festival, Ruko No 1 & 1A, CBD, Jl. Galuh Mas Raya,...

Is Fabric a Reliable Service or a Ripped Resource?

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Is Fabric a Reliable Service...

Visit the forum

Question of the Day

BIT_COUNT I

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 3;

See possible answers