DAX For SQL Folks: Part I- Intro to DAX, Power BI and Data Viz
In this first article, get an introduction to DAX, it's uses, and the basics of a DAX query as compared to a T-SQL query.
2025-01-01 (first published: 2020-03-26)
25,578 reads
Articles
The Data Center that Exploded
A while back, in a Simple-Talk editorial meeting, someone bet Phil Factor that he couldn't come up with a Halloween story. To our surprise he said he could, as long as he didn't have to keep to the strict literal truth. In the end, he came up with a story about a story, and it is true that he first told the story in a data Centre at Halloween!
2025-01-01 (first published: 2014-10-31)
10,375 reads
GUID in SQL Server
This tip's objective is to present and describe several T-SQL examples for creating, using, and analyzing GUIDs and assessing their uniqueness.
2024-12-30
How to Repair Corrupt MySQL Tables
In the modern world, the companies are not solely dependent on a specific database server platform. There are many database platforms available that are adequate to handle moderate workload and client requirements of high availability and disaster recovery. MySQL is one of those database platforms which provides a lot of features and high performance. Just […]
2024-12-27
1,544 reads
SQL Server Forced Plans Overwite the Query Hash
A 16-year old SQL Server bug that means 'forced plans' have the query plan hash in place of the expected query hash. Includes an explanation and discussion of the term 'morally equivalent plan'.
2024-12-27
Convert Excel Workbooks to CSV with Microsoft Fabric
For my new mission, I set out to convert a list of files from Excel to comma-separated values (CSV). We upload the original Excel files to a Data Lake in Fabric. We then need to convert a specific worksheet and move the CSV files to a different folder in Data Lake.
2024-12-25
A gentle introduction to dbt
Over the past years, the tool dbt – short for data build tool – has become quite popular in the data engineering world for handling such an ELT process. dbt takes on the role of the “T”, meaning it’s responsible for transforming the data in a certain data store.
2024-12-23
Connecting Streamlit to Upload Data to Snowflake
How to create a connection for StreamLit and Snowflake to upload data for visualization
2024-12-20
2,573 reads
Data Warehouse Considerations - SCD Type 2 vs Overwrite Dimension Tables
How we handle data warehousing updates to dimension tables is crucial and this article covers Slowly Changing Dimensions versus overwriting tables.
2024-12-20
The ROI of SQL Prompt
Find your personal ROI in under 1 minute. And see how many working days you and your team could save in coding time with SQL Prompt!
2024-12-20
Blogs
Why sys.fn_dblog Is Undocumented And Why It's Still There
By SQLPals
Why sys.fn_dblog Is Undocumented And Why It's Still There Why sys.fn_dblog...
T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Forums
Implementing Type 4 Slowly Changing Dimensions in SQL Server
Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
The Disabled Index
Comments posted to this topic are about the item The Disabled Index
Server-Level Table sizes
Comments posted to this topic are about the item Server-Level Table sizes
Question of the Day
The Disabled Index
I run this code on SQL Server 2022.
CREATE TABLE Drink
(
drinkid INT NOT NULL
CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
drinkname VARCHAR(20),
rating NUMERIC(2, 1)
)
GO
INSERT INTO Drink
(
drinkid,
drinkname,
rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result? See possible answers