These are non-clustered index of the primary XML index. There must be a primary xml index before each secondary xml index. Following are some types of secondary xml indexes:
Path Indexes
The path index is built on the path value...
Wednesday, June 4, 2014
Types of XML Indexes used in SQL Server: Speed up Execution
When a query is based on an XML column, the query processor needs to parse the XML data each time the query is executed. In SQL Server, and XML data value can be of a maximum of two gigabytes (GB).
Therefore, the XML values can ...
Tuesday, May 27, 2014
How to Modify XML Data using Functions in SQL Server
Similar to any other type of data, programmer might also need to modify the XML data. To modify data, you can use the modify function provided by the XML data type of the SQL Server. The modify function specifies an XQuery expres...
Monday, May 26, 2014
How to Retrieve XML Data Using XQuery
In addition to FOR XML, SQL Server allows programmer to extract data stored in variables or columns with the XML data type by using XQuery. XQuery is a language that uses a set of statements and functions provided by the XML data...
Sunday, May 18, 2014
How to Retrieve XML Data from a Database Table: SQL
At times, you need to retrieve the relational data from a table into the XML format for reporting purposes or to share the data across different applications. This involves extracting data from a table in the form of well-formed ...
How to Store Typed XML Data in XML Columns: SQL
To store the typed XML data, programmer need to first register the schema associated with the data in the XML schema collection objects in the database. The XML schema collection is an object on the SQL Server that is used to sav...
How to Store XML Data in XML Columns: SQL
At times, Programmer need to store the XML data in its original state in a column of a database table. For example, you need to save the details of customers in the database. The details of individual customers are maintained by ...
Tuesday, May 13, 2014
How to Delete Data from Table or Related Table, SQL
Programmer need to delete data from the database when it is no longer required. The smallest unit that can be deleted from a database is a row. You can delete a row from a table by using the DELETE DML statement. The syntax of th...
How to Manipulate XML data in Database Table, SQL
With a growth in clients accessing data through heterogeneous hardware and software platforms, a need across for a language that could be interpreted by any environment. This resulted in the evolution of a language called XML. SM...
Friday, November 15, 2013
Applying a Style Sheet to an XML Document
A style sheet object that passes into the transformNode method needs to be recompiled every time the method is called. Compiling a style sheet means setting all its template rules in an executable state. By using the XSLTemplate ...
Tuesday, November 12, 2013
Reusing Components of a XML Schema
One of the key features of schemas is their ability to support a high degree of reusability among other schemas. This can be done by using import elements.
The include element
The include element is used to include or refer to...
Thursday, November 7, 2013
Advantages of XML
Some of the advantages of XML are:
Domain-specific vocabulary
Data interchange
Smart searches
Granular updates
Users-selected view of data
Message transformation
Domain - Specific Vocabulary
HTML uses a set of predefined ta...
Sunday, November 3, 2013
Atomic,List and Union Data Types in XML Schemas
Atomic Data Types
Atomic data types cannot be broken down into smaller units. These data types can be primitive or derived. For example, the string primitive data type cannot be broken down further into smaller units, such as a ...
Derived Data Types in XML Schemas
Introduction
Derived data types are defined by using other data types called base types. Base data types can either be primitive or derived data types. Derived data types can be built-in or user-defined. For example, integer is ...
Primitive Data Type in XML Schemas
Introduction
Primitive data type are the fundamental data types of XSD. These data types are the basis for defining other data types in XSD. Primitive data types dot not contain elements or attributes. They contain only values.
...
Advantages of XML Schemas Created Using XSD
An XML schema defines the list of elements and attributes that can be used in an XML document. In addition to the list of elements, an XML schema specifies the order in which these elements appear in the XML document, and their d...
Saturday, November 2, 2013
Creating an XML Document
Problem Statement
CyberShoppe, Inc. sells toys and books in the United States. It has three branches in different parts of the country. Currently, the three branches maintain data on their local computer systems. The IT manager ...
Future of XML
XML has revolutionized the web and the nature of distributed computing. It is the preferred file format for web development, document interchange, and data interchange. Currently, news organizations and wireless services exchange...
Tuesday, October 29, 2013
Difference Between SGML, HTML, and XML
XML , markup languages such as standard Generalized Markup Language(SGML) and Hypertext Markup Language(HTML) are also available.
SGML was released in 1980. It allows documents to describe their grammar by specifying the tag set...
Getting Started with XML
Introduction
Traditionally, organizations have conducted business on paper. Preprinted formats were most widely used to exchange information between businesses. As the number of transactions between different organizations incre...