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Topic

Larry Jennings

Subject: Creating an XML Schema from a SQL Server database table
Author: Larry Jennings
Date: 18 Aug 2010 02:37 PM

Hi, I am trying to generate XML Schema from SQL Server database tables and I'm having trouble in finding out how to do with with Stylus Studio (or any other tool for that matter). Can anyone provide me with pointers? I am new in using this tool and would greatly appreciate any help.
Thanks,
Larry

Ivan Pedruzzi

Subject: Creating an XML Schema from a SQL Server database table
Author: Ivan Pedruzzi
Date: 18 Aug 2010 04:59 PM

Hi Larry,

Stylus Studio does not provide the ability to create XML Schema from a relational model.

Can you tell us how you are planning to use the schema?

Thanks!
Ivan Pedruzzi
Stylus Studio Team

Larry Jennings

Subject: Creating an XML Schema from a SQL Server database table
Author: Larry Jennings
Date: 18 Aug 2010 05:20 PM

Thanks for replying.

I am creating a schema that will use a large portion of columns from a number of tables in our database. I was trying to reduce the amount of time to hand generate the information from the database tables I planned on using.

Is there another way of doing this?

Thanks,
Larry Jennings
Lead Architect
Glass Lewis & Co.

Ivan Pedruzzi

Subject: Creating an XML Schema from a SQL Server database table
Author: Ivan Pedruzzi
Date: 19 Aug 2010 11:51 AM

If the accuracy of column type is not important, you could run a query to fetch few records and generate XML then infer the XSD from XML

For example a query like the following against SQL Server Pubs database

<root>{
collection("pubs.dbo.titles")/titles[title_id = ("BU1032", "BU1111")]
}
</root>

generates this

<root>
<titles>
<title_id>BU1032</title_id>
<title>The Busy Executive's Database Guide</title>
<type>business</type>
<pub_id>1389</pub_id>
<price>19.99</price>
<advance>5000</advance>
<royalty>10</royalty>
<ytd_sales>4095</ytd_sales>
<notes>An overview of available database systems with emphasis on common business applications. Illustrated.</notes>
<pubdate>1991-06-12T00:00:00</pubdate>
</titles>
<titles>
<title_id>BU1111</title_id>
<title>Cooking with Computers: Surreptitious Balance Sheets</title>
<type>business</type>
<pub_id>1389</pub_id>
<price>11.95</price>
<advance>5000</advance>
<royalty>10</royalty>
<ytd_sales>3876</ytd_sales>
<notes>Helpful hints on how to use your electronic resources to the best advantage.</notes>
<pubdate>1991-06-09T00:00:00</pubdate>
</titles>
</root>

then with the Schema from Content feature you get

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
<xs:element name="root">
<xs:complexType>
<xs:sequence>
<xs:element maxOccurs="unbounded" ref="titles"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="titles">
<xs:complexType>
<xs:sequence>
<xs:element ref="title_id"/>
<xs:element ref="title"/>
<xs:element ref="type"/>
<xs:element ref="pub_id"/>
<xs:element ref="price"/>
<xs:element ref="advance"/>
<xs:element ref="royalty"/>
<xs:element ref="ytd_sales"/>
<xs:element ref="notes"/>
<xs:element ref="pubdate"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="title_id" type="xs:NCName"/>
<xs:element name="title" type="xs:string"/>
<xs:element name="type" type="xs:NCName"/>
<xs:element name="pub_id" type="xs:integer"/>
<xs:element name="price" type="xs:decimal"/>
<xs:element name="advance" type="xs:integer"/>
<xs:element name="royalty" type="xs:integer"/>
<xs:element name="ytd_sales" type="xs:integer"/>
<xs:element name="notes" type="xs:string"/>
<xs:element name="pubdate" type="xs:NMTOKEN"/>
</xs:schema>

Hope this helps
Ivan Pedruzzi
Stylus Studio Team

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