What happens when we drop a column on a SQL Server table? Where's my space?
You have dropped a column and wondering why you haven't recovered any space? Let's take a look.
2024-08-01 (first published: 2024-04-26)
4,760 reads
You have dropped a column and wondering why you haven't recovered any space? Let's take a look.
2024-08-01 (first published: 2024-04-26)
4,760 reads
Check how much space you may expect to recover from a rebuild after dropping a column!
2024-07-05
1,234 reads
How easily can we find tables with dropped columns that need cleanup?
2024-06-07
2,502 reads
Here you will learn about the key differences between the binary and SQL/Windows collations. You will see that even with all sensitivity flags enabled, SQL/Windows collation cannot behave the same way as the binary collations.
2024-03-15
1,913 reads
Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.
2023-12-11
9,495 reads
Learn how to use CTEs through the use of a number of examples.
2023-10-20
10,348 reads
I need to convert an integer to a string value, what options are available in Microsoft SQL Server with T-SQL scripts and stored procedures?
2023-09-22
To move a table into a schema in T-SQL, you can use the ALTER SCHEMA statement along with the TRANSFER option. Here are the steps to do this: Assuming you have an existing schema named "NewSchema" and a table named "YourTable" that you want to move into this schema: Open SQL Server Management Studio or […]
2023-09-29 (first published: 2023-09-18)
5,305 reads
I’ve long been a huge advocate for always referencing objects with a schema prefix in SQL Server.
In spite of what may be a controversial title to many of my regular blog readers, I don’t really want you to stop that practice in most of your T-SQL code, because the schema prefix is important and useful most of the time. At Stack Overflow, though, there is a very specific pattern we use where not specifying the schema is beneficial.
2023-09-13
Learn how to use the DatabasePropertyEX() function to query your database for settings.
2022-08-29
2,199 reads
By Vinay Thakur
Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
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