The Query Answers with SQL Server Series
A series of articles based on the Query Answers with SQL Server book.
2018-06-29
4,204 reads
Adam Aspin
Adding Time Intelligence to a Power BI Data Model
In this article I want to provide an introduction to the vital set of functions that help you to use a time element when analyzing data
2017-10-27 (first published: 2016-06-06)
7,074 reads
Third Party Visuals in Power BI Desktop
Power BI is as extensible as it is powerful In this article you will see how to impress your users with added visuals
2016-05-31
11,063 reads
Sharing on-premises SQL Server Data Analyses in the Cloud with Power BI
In this article I would like to introduce you to PowerBI.Com to see how to share analyses in the cloud using SQL Server data
2016-05-23
1,437 reads
Do It Yourself Load Balancing with SSIS
This article takes a simple look at loading data in parallel from a single data source, be it a flat file of a database
2015-08-03
7,083 reads
Data Load Optimisation using the SSIS Balanced Data Distributor
Optimize SSIS data loads using parallel processing and the Balanced Data Distributor
2015-07-02
7,554 reads
Extended Properties Introduction
Part one of a four part series intent on demystifying and making more accessible SQL Server extended properties
2013-09-27 (first published: 2011-03-17)
23,860 reads
Data Profiling with T-SQL
Need to understand new data? This article explains why - and how you can profile it efficiently
2013-02-25
25,662 reads
Slowly changing dimensions using T-SQL MERGE
Of all the technical solutions to the problem of slowly changing dimensions, the T-SQL MERGE statement is one of the most elegant.
2011-06-20
41,737 reads
Industrial-strength database documentation using Extended Properties
To finish this short series on extended properties a look at documenting sets of database objects
2011-04-05
8,625 reads
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Forums
Fun with JSON II
Comments posted to this topic are about the item Fun with JSON II
Changing Data Types
Comments posted to this topic are about the item Changing Data Types
Answering Questions On Dropped Columns
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Question of the Day
Fun with JSON II
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