CTE Performance
SQL Server 2005 brings a new feature to T-SQL with Common Table Expressions, which make it possible for more complex subquery expressions than in previous versions. Recursion is a common use and Peter He takes a look at how well these new structures perform.
More RBAR and "Tuning" UPDATEs
SQL Server expert Jeff Moden discusses a common problem seen in many update statements.
SQL Server 2005 Best Practices
With SQL Server 2005 recently released, one of the things that many people are looking for are some guidelines for working with the new product. New author NandaKishore brings us a list of best practices that should give you a start.
Fuzzy Lookup and Fuzzy Grouping in SQL Server Integration Services 2005
This paper describes the Fuzzy Lookup and Fuzzy Grouping transformations that are part of SQL Server 2005 Integration Services (SSIS). These SSIS transformations are useful for improving the data quality of existing data as well as new data that is being loaded into your database.
Internals of DBM Failover / Role Switching
Understanding different types of failovers/Role Switching and How do they internally work in database mirroring.
A Common Architecture for Loading Data
Importing data files is always a challenge for a DBA, especially when the files might vary in format. Having one codebase is important and new author Mark Balasundram brings us the template for a high performance application to do just that.
Scaling Out
Scaling out is hard to do with SQL Server, but why doesn't Microsoft build a better solution?
Service Pack 3
Vote for Service Pack 3!!! For SQL Server 2005. As of now, Microsoft has no plans to release Service Pack 3 for SQL Server 2005. I sent them our poll results, but we need more votes. Let them know this is important by voting on Connect. Vote Now!!!! Update: There's a post that they hear […]
Blogs
Track SQL Server Configuration Changes Using the Error Log
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Data Engineering Books Worth Having on Your Shelf (or your tablet)
Good documentation gets you started. Good books get you deep. After years of working...
SSMS Evaluation – future ready
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
Forums
SQL Server Showing Out of Space But Plenty of Drive Space
We have a SQL Server installed. We have a 500GB drive for the database....
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