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
18,348 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
12,980 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
It's time for T-SQL Tuesday #198! This month's topic is change detection. The post T-SQL...
By James Serra
Model Context Protocol, or MCP, is one of those technical ideas that sounds more...
When starting with AWS RDS Aurora for managing relational databases in the cloud, many...
The optimal therapy for erectile dysfunction depends on individual health conditions, preferences, and treatment...
Hi to all We have situation at a client where someone is illegally changing...
Hi to all We have situation at a client where someone is illegally changing...
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