usman razzaq
usman razzaq

Reputation: 31

X-Path Query issues

My XML DTD is as follows:

<!DOCTYPE Bookstore [
<!ELEMENT Bookstore (Book | Magazine)*>
<!ELEMENT Book (Title, Authors, Remark?)>
<!ATTLIST Book ISBN CDATA #REQUIRED
              Price CDATA #REQUIRED
              Edition CDATA #REQUIRED>
<!ELEMENT Magazine (Title)>
<!ATTLIST Magazine Month CDATA #REQUIRED Year CDATA #REQUIRED> 
<!ELEMENT Title (#PCDATA)>
<!ELEMENT Authors (Author+)>
<!ELEMENT Remark (#PCDATA)>
<!ELEMENT Author (First_Name, Last_Name)>
<!ELEMENT First_Name (#PCDATA)>
<!ELEMENT Last_Name (#PCDATA)>
]>

I want to run the following query:

Title Book whose title is the same as title of a magazine.

I cant think a way to run this query.Anyone Please help me with this i will b thanksful.

Upvotes: 1

Views: 41

Answers (2)

Kachna
Kachna

Reputation: 2961

you can try the following:

//Bookstore/Book[Title = ../Magazine/Title]/Title

Upvotes: 1

har07
har07

Reputation: 89305

You could try something like this :

//Bookstore/Book/Title[. = //Magazine/Title]

Above xpath returns all <Title> elements that is child of <Book> and has value equals to at least one <Title> of <Magazine>.

Upvotes: 2

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