XML Data: Sample and Explanation

<?xml version="1.0" standalone="no" ?>
<!DOCTYPE NFLDSTAT SYSTEM "NFLDSTAT.dtd">
<NFLDSTAT>
    <DATE>2003-08-20</DATE>
    <SOURCE office="NY" />
    <PRECORD gender="M">
        <P_CODE>JOHNSONR</P_CODE>
        <P_PUNTYDS>53</P_PUNTYDS>
    </PRECORD>
    <PRECORD gender="F">
        <P_CODE>DIFRANCOA</P_CODE>
        <P_PUNTYDS>41</P_PUNTYDS>
    </PRECORD>
</NFLDSTAT>

• XML Declaration: specifies the version of XML being used
• Document Type Declaration: states the Root Element and DTD (Document Type Definition)
• Elements are the building blocks of XML: start with "<" then element name
  • Root Element: the tags that hold the XML document (<NFLDSTAT>)
  • Elements: (aka paired elements) have start and end tags, data can be in the start-tag's attributes and/or between the tags themselves (<DATE>)
  • Empty Elements: single tag, closed by "/>", data in the attributes (<SOURCE.../>)
• Character Data: information between elements (JOHNSONR)
• Attributes: name/value pairs in start-tags (gender="F")