External Article

Discrete and Continuous Data in SQL

Not all data is discrete; some data types represent a continuum. In SQL, we have to approximate them and live with the special problems of handling continuous data. We need to understand the problems associated with continuous data types, when these will happen, and how it affects constraints and the results of queries. Joe Celko explains.

External Article

Azure SQL Database Auditing

While a diminished level of control is certainly a factor to consider when contemplating migration of on-premises systems to Microsoft Azure, especially when dealing with PaaS resources such as Azure SQL Database, you have a range of techniques at your disposal that allow you to control and monitor both the status of and access to your Azure-resident services. One of these techniques is SQL Database auditing.

Blogs

Data Engineering Books Worth Having on Your Shelf (or your tablet)

By

Good documentation gets you started. Good books get you deep. After years of working...

SSMS Evaluation – future ready

By

In previous posts, we looked at the SQL Server engine. for us DBAs, the...

Claude.ai vs Claude API

By

You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...

Read the latest Blogs

Forums

Creating a JSON Document IV

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Creating a JSON Document IV

Permissions Removal When Changing Object Schema

By Brandie Tarvin

When the schema of an object is changed, SQL Server wipes out the previous...

Visit the forum

Question of the Day

Creating a JSON Document IV

I have this data in a table called dbo.NFLTeams

TeamID  TeamName       City             YearEstablished
------  --------       ----             ---------------
1       Cowboys        Dallas           1960
2       Eagles         Philadelphia     1933
3       Packers        Green Bay        1919
4       Chiefs         Kansas City      1960
5       49ers          San Francisco    1946
6       Broncos        Denver           1960
7       Seahawks       Seattle          1976
8       Patriots       New England      1960
If I run this code, how many rows are returned?
SELECT 
  YearEstablished,
  json_objectagg(city : TeamName)
FROM dbo.NFLTeams
GROUP BY  YearEstablished;

See possible answers