Should the Data Lake be Immutable?
Data warehouses and lakes are often loaded from other data, so should they be immutable?
Getting Approximate Count in Microsoft SQL Server
Sometimes performance is more important than exact accuracy. Learn how to get an approximate count in SQL Server with better performance.
Dealing with Ugly Babies
One thing I learned while working as a database administrator over 17 years is the importance of teamwork across departments. Many times, we have to rely on network and SAN administrator to make changes to their environments in order to make SQL Server run more efficiently. There are times where the storage and network create […]
The Employee Target
Will employee data become a target of hackers? It's likely more a movie plot than reality, at least, Steve hopes so.
Introduction to SQL Server Security — Part 2
In this article, the second in the series, Robert Sheldon demonstrates how to manage the SQL Server security with granting permissions to users, logins, and groups.
What is the Best Value for Fill Factor in SQL Server
Learn about how selecting a SQL Server index fill factor can impact storage and performance. Check out the included scripts to help give you better insight.
A Good Benefit?
A company is letting companies trade vacation for payments against student loan debt.
Using SQL Server and R Services for analyzing DBA Tasks
Article shows how R Services can help database administrators with their daily work
An Introduction to GitHub for DBAs
Distributed source control is really intimidating: branches, pull requests, merges – will somebody just take my code, for crying out loud? Why does it have to be so complicated and involved?
Blogs
T-SQL Tuesday #198–Change Detection
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
Redgate and Rome
By Steve Jones
I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Quick Tip: Check Most DTU Expensive Queries in Azure SQL Database
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
Forums
How Important Is a Google Knowledge Panel for Online Reputation?
I’ve been learning more about the google knowledge panel and it seems like one...
Which Wireless Credit Card Terminal Works Best for Small Businesses?
I’m currently researching the best wireless credit card terminal for a growing business and...
Creating a JSON Document IV
Comments posted to this topic are about the item Creating a JSON Document IV
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 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers