Course Web Pages - Spring 2012 - LIBR 242-01/10 Greensheet - Sample Codes - xSQL

Example of External DTD Definition: AmericanBeauty.dtd


<!ELEMENT Movie (Director?,Cast*,Award*)>
<!ELEMENT Director (First, Last, Award*)>
<!ELEMENT Cast (Actor*|Actress*)*>
<!ELEMENT Actor (First,Last,Award*)>
<!ELEMENT Actress (First,Last,Award*)>
<!ELEMENT First (#PCDATA)>
<!ELEMENT Last (#PCDATA)>
<!ELEMENT Award EMPTY>
<!ATTLIST Movie Title CDATA #REQUIRED RunningTime CDATA  "unknown" 
		Rating CDATA  "not yet assigned" >
<!ATTLIST Award From CDATA #REQUIRED Category CDATA #REQUIRED>
<!ATTLIST Actor Role CDATA #REQUIRED>
<!ATTLIST Actress Role CDATA #REQUIRED>

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Example of External DTD Definition: AmericanBeauty.dtd