Your application code may look neat and clean, and you are using a sound Object-relational Mapper, but when you put the pedal to the metal, you're not getting the performance. The time has come to lift the hood and see what SQL is being generated by the ORM, and what part of your code is causing the bottlenecks. The effect can be spectacular.
Facebook has implemented a new security feature that Steve Jones thinks might work well for SQL Server as well.
Data structure virtualization is the constructing of a data structure utilizing pieces or fragments from other data structures. This article demonstrates how Data structure virtualization can be performed in ANSI SQL utilizing hierarchical processing techniques to produce hierarchically structured virtualized output.
Steve Jones talks about the workplace of the future, and a prediction from the Gartner Group that it will include swarms.
In this next installment of the series on writing codeless applications, David Ziffer looks at the querying of data from the database.
Database maintenance is a critical task for every DBA. For this month’s question, list the typical steps that you use...
Fabiano introduces another ShowPlan operator that is used to build a query plan, or perform an operation specified in the DML. Once again, Fabiano demonstrates why it is important to be aware of these operators when getting queries to perform well.
Welcome to the second post of my “SQLBIGeek’s Function Friday” blog series. In this series, I am...
Today we have a guest editorial from Rodney Landrum that talks about life in the past, when we couldn't look up everything on the Internet.
Learn to use recursion to determine which row caused your merge statement to fail in this article.
Good documentation gets you started. Good books get you deep. After years of working...
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
By Arun Sirpal
You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
We have a SQL Server installed. We have a 500GB drive for the database....
Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
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