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
Articles
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
1,567 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
2,584 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
Save the date for PASS Summit 2025!
PASS Data Community Summit will return to Seattle next year! Save the date for this incredible in-person event for global data professionals, which will take place at Summit, Seattle Convention Center, from November 17-21, 2025!
2024-12-18
Why a Self-Join Requires Halloween Protection
I was asked recently why Halloween Protection was needed for data modification statements that include a self-join of the target table. This gives me a chance to explain, while also covering some interesting product bug history from the SQL Server 7 and 2000 days.
2024-12-18
Blogs
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
The SUM of Nothing: #SQLNewBlogger
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
Forums
Building a SQL Server Fleet Audit That Leadership Actually Reads
Comments posted to this topic are about the item Building a SQL Server Fleet...
Smart AI Agents and Data Security
Comments posted to this topic are about the item Smart AI Agents and Data...
RegEx Functions IV
Comments posted to this topic are about the item RegEx Functions IV
Question of the Day
RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers