Library Books Records Using DTD in XML

<?xml version="1.0" encoding="iso-8859-1"?>

<!DOCTYPE LIBRARY [

<!ELEMENT LIBRARY (CONTENT*)>

<!ELEMENT CONTENT (BOOKID+)>

<!ELEMENT BOOKID (BOOKTITLE,BOOKNAME,BOOKAUTHOR,BOOKPUBLISHER,PUBLICATIONYEAR,BOOKPRICE,BOOKLOGO,BOOKSECTION,BOOKTYPE,BOOKEDITION)>

<!ELEMENT BOOKTITLE (#PCDATA)>

<!ELEMENT BOOKNAME (#PCDATA)>

<!ELEMENT BOOKAUTHOR (#PCDATA)>

<!ELEMENT BOOKPUBLISHER (#PCDATA)>

<!ELEMENT PUBLICATIONYEAR (#PCDATA)>

<!ELEMENT BOOKPRICE (#PCDATA)>

<!ELEMENT BOOKLOGO (SOURCE,HEIGHT,WEIGHT)>

<!ELEMENT SOURCE (#PCDATA)>

<!ELEMENT HEIGHT (#PCDATA)>

<!ELEMENT WEIGHT (#PCDATA)>

<!ELEMENT BOOKSECTION (#PCDATA)>

<!ELEMENT BOOKTYPE (#PCDATA)>

<!ELEMENT BOOKEDITION (#PCDATA)>

<!ENTITY xyz "LOVELY PROFESSIONAL UNIVERSITY">

<!ENTITY abc "XML DOCUMENTS OF LIBRARY BOOKS STORE SYSTEM ">

]>

<LIBRARY>

<BOOKID>

&xyz;

<BOOKTITLE>Operating system</BOOKTITLE>

<BOOKNAME>Windows xp</BOOKNAME>

<BOOKAUTHOR>Aasim</BOOKAUTHOR>

<BOOKPUBLISHER>Ram Publication</BOOKPUBLISHER>

<PUBLICATIONYEAR>1999</PUBLICATIONYEAR>

<BOOKPRICE>500</BOOKPRICE>

<BOOKLOGO>

<SOURCE>LPU Library</SOURCE>

<HEIGHT>20</HEIGHT>

<WEIGHT>10</WEIGHT>

</BOOKLOGO>

<BOOKSECTION>001</BOOKSECTION>

<BOOKTYPE>CSE</BOOKTYPE>

<BOOKEDITION>2000</BOOKEDITION>

</BOOKID>

<BOOKID>

&abc;

<BOOKTITLE>Operating system</BOOKTITLE>

<BOOKNAME>Windows 7</BOOKNAME>

<BOOKAUTHOR>Ram</BOOKAUTHOR>

<BOOKPUBLISHER>Ram Publication</BOOKPUBLISHER>

<PUBLICATIONYEAR>2000</PUBLICATIONYEAR>

<BOOKPRICE>400</BOOKPRICE>

<BOOKLOGO>

<SOURCE>LPU Library</SOURCE>

<HEIGHT>10</HEIGHT>

<WEIGHT>16</WEIGHT>

</BOOKLOGO>

<BOOKSECTION>002</BOOKSECTION>

<BOOKTYPE>CSE</BOOKTYPE>

<BOOKEDITION>2010</BOOKEDITION>

</BOOKID>

<BOOKID>

<BOOKTITLE>Operating system</BOOKTITLE>

<BOOKNAME>Windows 8</BOOKNAME>

<BOOKAUTHOR>Aasim</BOOKAUTHOR>

<BOOKPUBLISHER>Ram Publication</BOOKPUBLISHER>

<PUBLICATIONYEAR>1999</PUBLICATIONYEAR>

<BOOKPRICE>500</BOOKPRICE>

<BOOKLOGO>

<SOURCE>LPU Library</SOURCE>

<HEIGHT>20</HEIGHT>

<WEIGHT>10</WEIGHT>

</BOOKLOGO>

<BOOKSECTION>003</BOOKSECTION>

<BOOKTYPE>CSE</BOOKTYPE>

<BOOKEDITION>2000</BOOKEDITION>

</BOOKID>

</LIBRARY>