Though duplicate rows are bad practice, sometimes they're necessary for a short time. But how do you clean your tables when they're no longer needed? Sergey Gigoyan provides a few different solutions.
Tables used purely for reporting sometimes lack a unique identifier. Find out how to remove duplicates from such a table when data loads go bad.
So you’re hosting your SQL Server in the cloud, and you’ve noticed that when you’re running a backup or a DBCC CHECKDB, you suffer from extreme performance problems - what's going on? Brent Ozar explains.
ODBC is the closest thing we have to a universal standard for data access across platforms, applications and data sources. So why doesn't DocumentDB support it?
On a not-so-busy day, I received an alert saying tempdb has grown to 90 percent of the drive size and there is only 10 percent space left on the drive. The server is a SQL Server 2014 instance and hosts AlwaysOn secondary databases.
Power BI has a lot of uses, but one of the most interesting of them is to model and shape data to make it easier for self-service BI. Power BI is a full-stack solution that includes data loading, data modelling, metrics, reporting and distribution. It can take the source data, and perform in-process data modelling relatively easily as well a providing an easy to use and powerful user interface for analytics and reporting.
Read and document multiple SSIS packages in an Excel file. The document can be used to do further code analysis.
This week Steve Jones has a bit of a competition. Share with him how fast you can back up a 1TB database.
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...
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
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