The Geek Costume
This Friday Steve Jones has another fun poll. A question on the geek costume that might excite you the most.
This Friday Steve Jones has another fun poll. A question on the geek costume that might excite you the most.
There’s a joke doing the rounds at SQL conferences and seminars: three DBAs walk into a NoSQL bar and leave when they can’t find a table. You may have heard it before, but it made Matt Hilbert sit down and ponder. What’s happening? Is there a division opening up between the newly fashionable NoSQL followers and DBAs? Matt enters the world of NoSQL to investigate.
How to compare two databases and email the results to every one who needs to know
Continuing on with his series on reporting for your SQL Server, David Bird brings together the series with the full package used for building the report.s
What do people do when their job doesn't require a lot of technical skills? Steve Jones has a few thoughts.
This lesson explains how to Clean Data, Explore Data, get Samples of Data, Classify and query a Data Mining Model.
This lesson explains how to Clean Data, Explore Data, get Samples of Data, Classify and query a Data Mining Model.
Salaries for data professionals have risen quite a bit, according to the latest salary survey. That's good for those of us working with SQL Server.
As a society, we have an unrealistic respect for data, especially if it has a decimal point somewhere and uses metric units. We who are in the business of data need to cultivate a renewed interest in the sceptical and rigorous science of statistics: it is too important to leave to 'Data Scientists'. If the data is wrong, or the way we analyse or report it is misleading, much of what we do is pointless.
This metric is a great general indicator of performance problems. High stall times indicate I/O problems, which can be attributed to busy physical disks or queries that return large data sets to the client.
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
By Steve Jones
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...
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