Filling in Data Potholes Redux: Tally Tables vs CTEs
In A Previous Installment
Re-Ducks
… our heroine (that’s me) rediscovered CTEs, specifically in the recursive style. That was in my post...
2011-01-04
1,116 reads
LittleKendra
Why I’m All For 24HOP Showcasing 24 Women Speakers
This is not the HOP you are looking for.
I’ve been thinking about the upcoming 24HOP event planned for March 15...
2010-12-27
960 reads
Filling in Data Potholes with Recursive CTEs
Data: it can break your foot.
Imagine that you are writing a script that looks at data grouped by the minute....
2010-12-23
1,143 reads
The 9th Day of SQL: Things Aren't as Simple as They Seem
The 12 days of SQL
Brent Ozar (blog | twitter) had an idea: a group of people should blog about writing which...
2010-12-21
706 reads
Select * from dbo.FAIL: invalid metadata in views and user defined functions
This week a question on the Twitter #sqlhelp hash tag reminded me of a detail of SQL Server that I...
2010-12-16
1,132 reads
Introduction to Partitioning: Resources!
This past Saturday I presented my shiny new Introduction to SQL Server Partitioning session at SQL Saturday 61.
There were two...
2010-12-07
701 reads
TSQL Tuesday #11: Messages and the Clammy Seduction of the Print Statement
Note: Updated 10/28 based on conversation in the comments, and 12/10 with Denali info.
TSQL Tuesday #11: Misconceptions in SQL Server
This...
2010-10-12
1,002 reads
Automation: Granting Read Perms for Developers
Yeah, you heard me.
Do you like to read?
“But Kendra, why would we want to grant developers read permissions? And why...
2010-08-16
941 reads
Learning that Presenting is Worth Doing (T-SQL Tuesday #008: Gettin’ Schooled)
This month’s T-SQL Tuesday topic is hosted by Robert Davis and the topic is “How do you learn? How do you teach?...
2010-07-13
1,340 reads
Error Configuring DataCollector: A collection set cannot start without a schedule
Data Collection, Puppy Style
Update: Based on Bill Ramos’ comment below and a note on Twitter (thanks!!) I have added some...
2010-06-26
1,833 reads
Blogs
What DevOps Look Like in Microsoft Fabric
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
T-SQL Tuesday #192: What career risks have you taken?
By James Serra
I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
AI: Blog a Day – Day 3: LLM Models – Open Source vs Closed Source
By Vinay Thakur
Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
Forums
Can an Azure App Service Managed Identity be used for SQL Login?
I'm fairly certain I know the answer to this from digging into it yesterday,...
Azure Synapse database refresh
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
how to write this query?
hi everyone I am not sure how to write the query that will produce...
Question of the Day
Fun with JSON I
I have some data in a table:
CREATE TABLE #test_data
(
id INT PRIMARY KEY,
name VARCHAR(100),
birth_date DATE
);
-- Step 2: Insert rows
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t; See possible answers