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clhenrick/DTD_exercise_3.xml

Last active December 11, 2015 14:48
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XML DTD exercise 3 for Stanford's intro to databases class
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DTD_exercise_3.xml
<!--DTD exercise 3 for Stanford's Intro to Databases
https://prod-c2g.s3.amazonaws.com/db/Winter2013/files/courses-ID.xml-->
<!ELEMENT Course_Catalog (Department*)>
<!ELEMENT Department (Title, Course+, (Professor | Lecturer)*)>
<!ATTLIST Department Code CDATA #REQUIRED Chair CDATA #REQUIRED>
<!ELEMENT Title (#PCDATA)>
<!ELEMENT Course (Title, Description?)>
<!ATTLIST Course Number CDATA #REQUIRED Prerequisites CDATA #IMPLIED Instructors CDATA #REQUIRED Enrollment CDATA #IMPLIED>
<!ELEMENT Professor (First_Name, Middle_Initial?, Last_Name)>
<!ATTLIST Professor InstrID CDATA #REQUIRED>
<!ELEMENT Lecturer (First_Name, Middle_Initial?, Last_Name)>
<!ATTLIST Lecturer InstrID CDATA #REQUIRED>
<!ELEMENT First_Name (#PCDATA)>
<!ELEMENT Middle_Initial (#PCDATA)>
<!ELEMENT Last_Name (#PCDATA)>
<!ELEMENT Description (#PCDATA | Courseref)*>
<!ELEMENT Prerequisites (#PCDATA)>
<!ELEMENT Courseref (#PCDATA)>
<!ATTLIST Courseref Number CDATA #REQUIRED>
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in progress, not finished yet.

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finished, marked as correct.

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