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Articles tagged XML

JSON support in SQL Server 2016

At last, SQL Server has caught up with other RDBMSs by providing a useful measure of JSON-support. It is a useful start, even though it is nothing like as comprehensive as the existing XML support. For many applications, what is provided will be sufficient. Robert Sheldon describes what is there and what isn't.… Read more

SQLXML Bulk Loader: The Sequel

SQLXML isn't exactly new technology, and parts of it aren't pretty, but if you need to heave vast quantities of XML data into a SQL Server database then you may come to appreciate the raw speed of which it's capable. Adam Aspin shows how to configure the SQL XML Bulk Loader tool for optimal data loading performance.… Read more

SQLXML Bulk Loader Basics

SQLXML isn't exactly new technology, but like the even more venerable BCP, it remains the quickest and most reliable way of heaving large quantities of data into SQL Server databases. SQLXML is very versatile, and once set up is wonderfully reliable ETL system, but isn't trivial to learn. Adam Aspin comes to the rescue with a simple guide.… Read more

Archiving Hierarchical, Deleted Transactions Using XML

When you delete a business transaction from the database, there are times when you might want to keep a record of the data for posterity. This can become somewhat complicated if the transaction you need to delete is in a table that is the parent of a deeply nested hierarchy of dependent tables based on the foreign key relationships. In this article, Dwain Camps looks at a tidy means of doing just that.… Read more

Configuration Management with PowerShell and XML

For the rapid delivery of any software application, there must be an effective configuration management system that is scripted. As the application increases in size it becomes more important that configuration information is kept in one place, without repetition, in version control. How to achieve this in practice? Konrad Lukasik explains a working solution.… Read more

SQL Server XML Questions You Were Too Shy To Ask

Sometimes, XML seems a bewildering convention that offers solutions to problems that the average database user doesn't have. To make things worse, XML experts generally lack the wherewithal to provide simple answers to even the simplest questions. Rob Sheldon, in contrast, can answer even those questions we somehow feel silly asking in public, and think twice about doing so.… Read more

Modal Input Forms in ASP.NET MVC

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Forms in websites have, for a long time, languished in their classic clunky pattern of browser-led 'submit' of content, using the FORM tag. As websites grow nearer to applications in their user-experience, so better is required. Dino show how to get a more sophisticated modal input form based on Twitter Bootstrap, jQuery Validate, and XmlHttpRequest (XHR). … Read more

Building a Public HTTP API for Data

The creation of a public API for data presents something of a dilemma for the developer. Web API, with its content negotiation, seems somehow cleverer than classic ASP.NET MVC, but there are complications, such as the XML schema, that suggest that there are merits in using MVC controllers for all public HTTP APIs… Read more

SQL Server Execution Plans, Second Edition, by Grant Fritchey

Every Database Administrator, developer, report writer, and anyone else who writes T-SQL to access SQL Server data, must understand how to read and interpret execution plans. My book leads you right from the basics of capturing plans, through how to interrupt them in their various forms, graphical or XML, and then how to use the information you find there to diagnose the most common causes of poor query performance, and so optimize your SQL queries, and improve your indexing strategy.… Read more

Getting Started With XML Indexes

XML Indexes make a huge difference to the speed of XML queries, as Seth Delconte explains; and demonstrates by running queries against half a million XML employee records. The execution time of a query is reduced from two seconds to being too quick to measure, purely by creating the right type of secondary index for the query.… Read more

Converting String Data to XML and XML to String Data

We all appreciate that, in general, XML documents or fragments are held in strings as text markup. In SQL Server, XML variables and columns are instead tokenised to allow rapid access to the data within. This is fine, but can cause some odd problems, auch as 'entitization'. What, also, do you do if you need to preserve the formatting? As usual Rob Sheldon comes to our aid.… Read more

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