If you suffer from runaway queries, if you have several database applications with unpredictable fluctuation in workload, or if you need to ensure that workloads get the memory or CPU they need according to certain priorities, then you need Resource Governer, and you need Roy Ernest's clear explanation of the technology.
Microsoft recently announced changes in the licensing for SQL Server 2012 and Steve Jones has a few thoughts on the topic.
At some point you are going to need a notification system for a range of events that occur in your servers. Laerte Junior shows how you can even set up temporary or permanent alerts for any WMI events to give you a system that fits your server environment perfectly.
Take part in a simple 5-minute survey for SQL Server Professionals and win one of two $50 Amazon vouchers.
Second part of two part article on Change Data Capture for field level auditing and marting that data using SSIS for reports. I uploaded the entire Word document that includes the images.
Steve Jones notes that our expert systems might not handle every situation well, and the quest to move towards more real time decision making can involve dangers if a human is not in the loop.
The standard SQL language has a number of aggregate functions like: SUM, MIN, MAX, AVG, but a common statistics function that SQL Server does not have is a built-in aggregate function for median. The median is the value that falls in the middle of a sorted resultset with equal parts that are smaller and equal parts that are greater. Since there is no built-in implementation for the median, the following is a simple solution I put together to find the median.
Today Steve Jones talks about the impact of better software programming on the energy use in your company's data center.
Write what you choose to when the reader can, in turn, choose not to read your work; but when you are writing about Technology, you have a captive audience. They need to read your work to keep abreast of the technology. Don't gratuitously offend them. It is not the action of a gentleman, D____it!
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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 TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers