External Article

MSSQL Server Reporting Services: Mastering OLAP Reporting: Percent of

An important consideration, when designing a Business Intelligence system within any environment, is a consideration for "where to put the intelligence" among the various "layers" within the system. I have stated many times in the past, in both articles and presentations, that "multi-layered reporting solutions require multi-layered architects," and nowhere is this truer than within the design and implementation of the Microsoft integrated business intelligence solution. This article provides an excellent example of such considerations: the option for placing a needed calculation at either the Analysis Services level (within the cube structure) or the Reporting Services level.

SQLServerCentral Article

Finding Table Space

One of the most popular questions on SQL Server 2000 deals with determining how much space the various tables in your database take up. There are a variety of reasons for this and a few ways to gather the information. Author Amit Lohia takes a look at how sp_spaceused works and how you might customize it to suit your needs.

Technical Article

Introduction to XQuery in SQL Server 2005

This white paper provides an introduction to various features of XQuery implemented in SQL Server 2005 such as the FLWOR statement, operators in XQuery, if-then-else construct, XML constructors, built-in XQuery functions, type casting operators, and examples of how to use each of these features. Non-supported features of XQuery in SQL Server 2005 and workarounds are described in this article. It also presents three scenarios where XQuery is useful.

SQLServerCentral Article

A SAN Primer

Storage is getting cheaper and cheaper, which means that more and more SQL Server servers will be incorporating SAN storage as an architecture moving forward. It seems that most DBAs, however, have never worked with this technology. New author Hugh Scott brings us a primer on this Storage Area Networks for DBAs new to this technology.

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Forums

Rollback vs. Roll Forward

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Foreign Keys - Foes or Friend?

By utsav

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Fun with JSON I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Fun with JSON I

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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;

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