Improving the response times of queries in SQL Server is a common task for DBAs and developers. In this article, we will talk about how you can effectively use covered indexes to improve your performance, and when you should use them.
2019-12-09
18,359 reads
A common debate in table architecture is whether to use a natural or surrogate key. In this article, I discuss some of the advantages to each method.
2019-10-15
12,988 reads
Security is often something people think about only after they have had a problem. Given that the average cost of a data breach is $3.92 million (SecurityIntelligence 2019) and ransomware attacks have increased 97% over the past 2 years (PhishMe 2019), the "if it's not broke, don't fix it" approach can clearly be catastrophic. Here […]
2019-10-07
9,368 reads
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