Learning the SQL GROUP BY Clause
Learn about the various ways to use the GROUP BY command to summarize and rollup query results. We look at the basics with examples as well as using group by rollup, cube and grouping sets.
Tower Loan: Monitoring our estate and insights for your success
Join Kevin Davis, DBA Manager at Tower Loan to hear their playbook for successful distributed estate monitoring, and the role of SQL Monitor.
Incremental Data Loading Using ADF and Change Tracking
This article looks at moving data in three related tables to Azure SQL Database using the change tracking feature in SQL Server to determine which rows have been changed.
Location Data Is Not Anonymous
The world of public data is scary for Steve, even when the data is aggregated. It appears that keeping information private is becoming harder, and perhaps, impossible.
Building blocks of Extended Events data collection
Extended Events have been part of SQL Server since 2008. In this article, Ed Pollack explains the building blocks of Extended Events data collection.
SQL Server Diagnostic Memory Queries
Microsoft Data Platform MVP Glenn Berry demonstrates a set of eleven SQL Server Diagnostic Memory Queries that help you understand your memory usage in SQL Server.
What Do You Want to Know Before Negotiating Salary?
It's almost time for Brent Ozar's annual salary survey. Steve reminds you that you can influence the questions, but more importantly, take the survey and provide data for all of us.
Do You Have a Talent Gap?
Many organizations are struggling to hire staff these days. In addition, it seems that many technology groups feel they can't find staff with the right skills.
The Record That Never Existed (as a committed row)
Introduction According to the official documentation, the READ COMMITTED isolation level “specifies that statements cannot read data that has been modified but not committed by other transactions”. So, one could think that a record returned under this isolation level existed in the committed state at the time of reading. In this article, I am going […]
Advanced Schema Evolution using Databricks Auto Loader
This article demonstrates how to get started with using Auto Loader cloudFiles with Databricks through an end-to-end practical example of ingesting a data stream which has an evolving schema.
Blogs
T-SQL Tuesday #198 Invitation: How Do You Detect Data Changes?
It's time for T-SQL Tuesday #198! This month's topic is change detection. The post T-SQL...
Understanding Fabric MCP
By James Serra
Model Context Protocol, or MCP, is one of those technical ideas that sounds more...
AWS RDS Aurora - our first approach
When starting with AWS RDS Aurora for managing relational databases in the cloud, many...
Forums
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
How do I explain that SQL Server should not be used as a code repository?
This week my BI Developer colleague proudly showed me a new Power BI report...
Question of the Day
Creating a JSON Document III
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 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers