SQL Server: Identifying Edition Specifc features Used in a Database
I had a situation which forced me to do a feasibility study to move SQL server 2008 enterprise edition environment to standard edition. It is...
2013-06-26
1,688 reads
PracticalSQLDba
SQL Server: Part1 : All About SQL Server Statistics :Density Vector
In our daily life, we use the statistics to take the decision. In the same way SQL server optimizer use...
2013-06-25
11,013 reads
SQL Server : Index at a glance
In the last ten posts, we have discussed in details about the SQL server index and its storage structure. In...
2013-04-16
1,232 reads
SQL Server : Part 10: Importance of Key Column Position While Creating Index
Now we have discussed about different types of indexes in the last posts. In this post, let us discuss about...
2013-04-22 (first published: 2013-04-16)
6,621 reads
SQL Server : Part 9 : Filtered Index : A new way for Performance Improvemnt
Filtered index is a new feature introduced in SQL Server 2008. All the indexes that we have discussed till now...
2013-04-08
6,170 reads
SQL Server : Part 8 : Explaining The Covering Index or Included Columns
In our earlier discussion about non clustered index ,we have seen that, the leaf level of a non clustered index...
2013-03-25
2,608 reads
SQL Server : Part 7 : Non clustered index on non unique column
In our earlier post, we have discussed about the non clustered index, but there we were always discussing about unique...
2013-03-24
3,559 reads
SQL Server : Part 6 : Design consideration of Clustered Index
In our earlier post, we have discussed about the structure and storage of clustered index. In this post we will discuss...
2013-03-21
2,054 reads
SQL Server : Part 5 : Explaining Non clustered Index on Heap
In the last post, we have discussed about non clustered index on a clustered table.In this post we will discuss...
2013-03-17
7,812 reads
SQL Server : Part 4 :Explaining the Non Clustered Index Structure
A table can have only one clustered index as the data rows are stored in the order of the clustered...
2013-03-14
30,609 reads
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Question of the Day
Creating a JSON Document III
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