2015-12-21
325 reads
drsql@hotmail.com
Mind your Database Ps and Qs
Louis Davidson explains why a little database courtesy goes a long way.
2015-11-16
230 reads
What counts for a DBA: Responsibility
Whose fault is it if a database is hacked and its contents appear on a hacker’s site? Louis Davidson suggests that, regardless of limitations, the DBA always bears some responsibility.
2014-12-22
161 reads
2014-11-24
167 reads
A DBA at the Opera
In opera, tragedy or absurdity happens because the characters are incapable of standing back, and making a difficult decision. Instead, at every stage, they just drift towards their fate by taking the easy option. Don't let the same fate befall you, as a DBA.
2014-08-04
117 reads
DBAs and the Fear Factor
Louis Davidson on why DBAs ought to do one thing, every day, that is scary.
2014-07-07
224 reads
Just Enough know-how
As a professional, our knowledge of a given task should extend, at a minimum, one level deeper than is strictly necessary to perform the task. Anything deeper can be left to the ridiculously smart, or obsessive, or both
2014-05-12
122 reads
DBA Dreams
Louis Davidson on the small dreams that DBAs can nurture, each day, to elevate the drudgery of a seemingly banal task into a celebration of purpose.
2014-03-03
166 reads
What Counts for a DBA: Deduction
Like Sherlock Holmes, a DBA needs the sound deductive reasoning to pinpoint the root cause of a crime, in amongst a thousand interesting but irrelevant details.
2013-11-18
139 reads
What Counts for a DBA: Patience
Technical debt is frustrating but dealing with it requires patience. Louis Davidson explains why.
2013-09-02
142 reads
Blogs
Flyway Tips: Multiple Projects
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
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...
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