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)
4,811 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)
4,811 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
2,531 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
1,944 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
9,931 reads
Learn how to use CTEs through the use of a number of examples.
2023-10-20
10,412 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)
5,440 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
Every organization I talk to has the same problem dressed up in different clothes....
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Comments posted to this topic are about the item The day-to-day pressures of a...
Comments posted to this topic are about the item Using OPENJSON
Comments posted to this topic are about the item Data Modeling with dbt for...
I have some data in a table that looks like this:
BeerID BeerName brewer beerdescription 1 Becks Interbrew Beck's is a German-style pilsner beer 2 Fat Tire New Belgium Toasty malt, gentle sweetness, flash of fresh hop bitterness. 3 Mac n Jacks Mac & Jack's Brewery This beer erupts with a floral, hoppy taste 4 Alaskan Amber Alaskan Brewing Alaskan Brewing Amber Ale is an "alt" style beer 8 Kirin Kirin Brewing Kirin Ichiban is a Lager-type beerIf I run this, what is returned?
select t1.key
from openjson((select t.* FROM Beer AS t for json path)) t1 See possible answers