SQL Server :Part 1 : Architecture of Transaction Log
In our earlier post, we have discussed in detail about the architecture of the data file and different types of...
2013-09-30
10,016 reads
PracticalSQLDba
SQL Server: Data File Structure
In our earlier posts , we have discussed about various types pages in details. In this post let us discuss about the organization of the data file.In other words...
2013-09-03
825 reads
SQL Server: Data File Structure
In our earlier posts , we have discussed about various types pages in details. In this post let us discuss about...
2013-09-02
2,638 reads
SQL Server : Understanding Bulk Change Map (BCM) Page and Bulk Logged Recovery Model
In the last post , we have discussed about the Differential Change Map pages and how it is utilized in the differential backup process.In this post, let us try to...
2013-07-25
34 reads
SQL Server : Understanding Bulk Change Map (BCM) Page and Bulk Logged Recovery Model
In the last post , we have discussed about the Differential Change Map pages and how it is utilized in the...
2013-07-24
3,773 reads
SQL Server : Understanding Differential Change Map (DCM) Page and Differential Backups
In our earlier posts, we have discussed about different types of pages.Data Pages, GAM and SGAM,PFS page and IAM page. In this post, we will try to understand the Differential Change...
2013-07-24
1,773 reads
SQL Server : Understanding Differential Change Map (DCM) Page and Differential Backups
In our earlier posts, we have discussed about different types of pages.Data Pages, GAM and SGAM,PFS page and IAM page. In this...
2013-07-23
2,231 reads
SQL Server: Performance Tuning :Understanding Set Statistics Time output
In the last post we have discussed about Set Statistics IO and how it will help us in the performance tuning. In this post we will discuss about the Set...
2013-07-18
81 reads
SQL Server: Performance Tuning :Understanding Set Statistics Time output
In the last post we have discussed about Set Statistics IO and how it will help us in the performance tuning....
2013-07-17
19,711 reads
SQL Server: Performance Tuning :Understanding Set Statistics IO output
Performance tuning is one of the important task of DBA. Many times people comes to us with different types of performance issue.To handle all these, we should have...
2013-07-17
39 reads
Blogs
A Cloud Dependency Failure from Amazon
By Steve Jones
I went to sleep while reading a Kindle book on my phone. I know...
Deploying AI in logistics (the unfiltered version)
A conversation with Jan Laš, CIO at HOPI, about what deploying a data agent...
T-SQL Tuesday #198 Invitation: How Do You Detect Data Changes?
It's time for T-SQL Tuesday #198! This month's topic is change detection. The post T-SQL...
Forums
SPAM Issues May 2026
We suffered a SPAM attack from May 1-6, which unfortunately corresponded with time off...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
SQL Password enforcing
Hi to all We have situation at a client where someone is illegally changing...
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