An Informal Look at Database Performance
A review on the basic steps to correct a poorly performing query
The DIS-Information Principle: A Splitting Headache
You can easily re-factor bad DML code, but if a database design is wrong, you can do little to rescue the problem, even with expert queries. So what constitutes 'wrong RDBMS design? What are these errors that continually crop up? How can you recognise them and fix them? Joe embarks on a new series of articles by identifying a series of bad practices based on the habit of 'splitting' that which shouldn't be split.
Early September Free Training from PASS VCs
Hope you got plenty of rest over your Labor Day holiday because the PASS Virtual Chapters have some great free training lined up for you.
Inside the Optimizer: Constructing a Plan - Part 1
Part one of a four-part series exploring the internals of query optimization from T-SQL guru, Paul White.
Talking To You Makes Me Smarter
There's a lot of value in the interactions that professionals have with each other. A guest editorial from Andy Warren talks about the benefits of meeting new people.
Extended Protection available in SQL Server 2008 R2
We use Internet Protocol Security (IPSec) within the trusted domains, but use the Negotiate Security Support Provider for our web applications. What other security methods can we employ with SQL Server?
4-4-5 Calendar Functions, Part 1
New author Cliff Corder has a SQL Server function to report on a 4-4-5 Calendar Accounting Year.
Labor Day 2010
It's Labor Day in the US, and a day off for Steve, so enjoy this set of bloopers from his podcast.
Please don’t Tweet this, but…
Brad worries that with the advent and growth of social media, has come an increasing concern that today's private conversation may turn into tomorrow's world-wide Tweet.
TSQL Challenge 38 - Calculate SQL Stars awarded to the Winners of TSQL
This challenge involves parsing a delimited string and applying some logic to perform some calculations based on the position of tokens within the string.
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
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
Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
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