It is an interesting problem in Transact SQL, for which there are a number of solutions and considerable debate. How do you go about producing a summary result in which a distinguishing column from each row in each particular category is listed in a 'aggregate' column? A simple, and intuitive way of displaying data is surprisingly difficult to achieve. Anith Sen gives a summary of different ways, and offers words of caution over the one you choose.
Lately it seems like SQL Injection attacks have been increasing. Recently our team has worked through resolving a few different SQL Injection attacks across a variety of web sites. Each of these attacks had a number of similarities which proved to point back to the same source. With this information in hand, the resolution should be much quicker. As such, if your web site is attacked with SQL Injection, how should you address it? How can the identification, analysis, recovery and resolution be streamlined? What are some lessons learned?
This video covers lift charts, an advanced data mining feature in SQL Server 2008. MVP Brian Knight walks through a data mining example that tests a model with a lift chart.
There are times we all struggle finding solutions to the issues at work. Steve Jones talks about how to make that breakthrough in solving problems when you are stuck.
Join MSAS Architect Bill Pearson in hands-on exercises, where we gain exposure to the use of the MEMBER_UNIQUE_NAME property in generating simple lists, as well as datasets to support report parameter picklists.
This Friday Steve Jones comments on the practice of using Active Directory to help manage your SQL Server and what the best practice should be.
This Friday Steve Jones comments on the practice of using Active Directory to help manage your SQL Server and what the best practice should be.
This Friday Steve Jones comments on the practice of using Active Directory to help manage your SQL Server and what the best practice should be.
A technical paper from the SQLCAT team on moving databases with service broker applications.
How quickly should you report a loss of data? It's an interesting question in these security conscious times and Steve Jones talks about
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Track SQL Server Configuration Changes Using the Error Log If you...
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Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
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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