Introduction In this article, we will learn how to create charts from web pages with Power BI. Power BI is an extremely great tool to easily generate reports. We will combine and analyze data from different websites, and we will talk about COVID 19 with the reports. In order to analyze the information, we will […]
CosmosDB is a flexible, powerful database, but is it the best one? Steve has a few thoughts.
You spoke 📣 we listened 👂
We are dedicated to listening to what our customers want and need and implementing feedback accordingly. Learn about how SQL Monitor has evolved, and the key features we've added, since 2018.
After getting a new database in place, the next step is to create tables. In this article, Robert Sheldon walks you through creating tables with SQL Workbench and with scripts.
Last week I attended my first in-person event in over two years. SQLBits, the largest data platform conference in Europe, was a hybrid event and marked the first time many of us met in person in ages. It was a huge success as folks from around the world gathered to learn...and celebrate! I heard several […]
There are many reasons you should monitor your databases, including avoiding performance problems or running out of disk space. Ideally, you want a scalable monitoring solution where you can monitor all your SQL databases in one single place. This article will describe two options that are available: Azure SQL Analytics and Azure SQL Insights. Both […]
In this article, Phil Factor explains how to apply SQL formatting styles as part of an automated process, using the SQL Prompt command line formatter, with examples of bulk applying styles from the command prompt, PowerShell or a DOS batch.
IN and NOT IN subqueries are frequently used in Oracle. Jonathan Lewis explains how the optimizer handles NULL with IN and NOT IN.
Learn how to protect production resources from accidental changes in Azure Data Factory.
By HeyMo0sh
Over time, I’ve realised that one of the hardest parts of cloud management isn’t...
By HeyMo0sh
One of the biggest challenges I’ve faced in cloud operations is maintaining clear visibility...
By Steve Jones
I come to Heathrow often. Today is likely somewhere close to 60 trips to...
Comments posted to this topic are about the item Fun with JSON II
Comments posted to this topic are about the item Changing Data Types
Comments posted to this topic are about the item Answering Questions On Dropped Columns
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 t1.[key] AS row,
t2.*
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t1
CROSS APPLY OPENJSON(t1.value) t2; See possible answers