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
10,014 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
824 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
2,636 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
32 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
3,772 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
1,758 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
2,228 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
78 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
19,709 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
37 reads
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers