SQL Server Data Collector, together with Management Data Warehouse, is a fine and useful component for gathering information centrally about how SQL Server instances are being used, and thereby keeping an eye out for problems. It comes into its own when you have figured out how to configure it to run on maybe hundreds of instances using Central Management Server. Dennes describes how to tame the system so that it scales.
This metric can help if you want to monitor the number of indexes per database that haven't been used for the last month. Indexes that aren't in use should be removed because they can degrade INSERT, UPDATE and DELETE performance, and they use storage space.
As data professional I have played with Analytics and found I'm better suited to development and administration, and that's ok.
Big data is everywhere, and most large IT enterprises have installed one or more big data applications. These applications provide fast access to large stores of data, usually customer or sales data. Your technical staff that supports these applications and the systems that analyze and consume the data didn't exist ten years ago. Who are these new IT professionals, and how should you manage them?
SQL Saturday is holding its first event in Vienna on February 28, 2014. With over 20 sessions on SQL Server, the event is aimed at all those interested in SQL Server - from pros to beginners. Register while space is available.
Tracks and stores changes to database objects by reading from the default SQL server trace file using ::fn_trace_gettable()
Rumour has it that some grand old houses in the British Isles may be haunted. A SQL Server consultant spends a night in such a house musing over the use of T-SQL versus SSIS. The story is entirely fictitious and the article has been written pro bono and dedicated to the SQL Server community. For its interest, amusement and imagination.
This editorial addresses the need to write the most effective and efficient code for our solutions
SQL-based distributed Cloud Relational databases aren't new, but Amazon's Aurora offers an alternative to SQL Azure, and, being MySQL-compatible, provides the obvious route to the cloud for hosted LAMP web applications.
Putting a column name in a COUNT() function may not always give you what you are looking for.
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
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I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
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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