This is the last workday of 2022. Next week starts a new year, and as I've often done, I wanted to look back at the year. This time I decided to look back month by month, at some of the headlines and memorable data-related topics. I'm tackling things month-by-month. In January there was a set […]
2022-12-30
79 reads
This article dives into all the math required to convert historical times between time zones.
2022-12-28
2022-12-28
432 reads
The examples so far in this series have all used repeatable read isolation to acquire shared locks on qualifying rows and hold them to the end of the transaction. This was convenient for the demos but repeatable read isolation isn’t common in everyday use.
2022-12-26
This article looks at how to calculate MACD indicators using a set of T-SQL code and data stored in a SQL Server database.
2022-12-26
2022-12-23
618 reads
This weekend is Christmas, and likely many of you are not working hard today and will enjoy a long weekend until Tuesday. There are many other holidays at this time of year as well, and I hope you are enjoying the season with loved ones. I want to take a moment to wish everyone a […]
2022-12-23
65 reads
In this tutorial, learn about Python priority queues and heaps, how do they relate, and how to use the heapq module in Python.
2022-12-23
Does your database server need an upgrade? Steve notes that you might learn a bit about the best hardware to ensure a good ROI. Even if you wouldn't make a change for your own desktop machine.
2022-12-21
151 reads
n my last article “Updating SQL Server Data” I discussed using the UPDATE statement to change data in existing rows of a SQL Server table. In this article I will be demonstrating how to use the DELETE statement to remove rows from a SQL Server Table.
2022-12-21
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
I'm fairly certain I know the answer to this from digging into it yesterday,...
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
hi everyone I am not sure how to write the query that will produce...
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