Database Normalization in SQL with Examples
Gouri Shankar provides an overview of normalizing a database.
Gouri Shankar provides an overview of normalizing a database.
Today, Julia Hayward explains how Redgate is leveling up core skills.
Five years ago, there were a limited number of ways to deploy and use the SQL Server engine in the Azure Cloud. Today, there are many different services available.
The fourth annual State of Database DevOps report is now available for download. Kendra Little announces the launch in her latest blog. Check out the first high level findings of the report here.
When the database design is not great, you may have to write some creative queries to get what you need.
Floating point datatypes accommodate very big numbers but sacrifice precision. They are handy for some types of scientific calculations, but are dangerous when used more widely, because they can introduce big rounding errors.
Dr. Dallas Snider, a MSSQLTips author, mentioned that SQL Server RAND() function could generate random values uniformly distributed from 0 through 1, exclusive. He generated random numbers from the normal distribution with a specific mean and standard deviation.
I started in the early days of SQL Server, when having a gigabyte of disk storage was unheard of, much less a gigabyte of RAM. My watch has more storage space than the mainframe we replaced with an early version of SQL Server years ago. The technical possibilities and amounts of data we are capable […]
Alex Chamchourine explains how he managed to find a row in a billion row table without an index.
Good documentation gets you started. Good books get you deep. After years of working...
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In previous posts, we looked at the SQL Server engine. for us DBAs, the...
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You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
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...
When the schema of an object is changed, SQL Server wipes out the previous...
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