How to draw two different possiblity of query tree for the example? in ddbms

Posted by quin on Stack Overflow See other posts from Stack Overflow or by quin
Published on 2010-03-01T21:02:47Z Indexed on 2010/04/05 12:13 UTC
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ddms

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query

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tree

select topic from book b, share s, stall st where b.b#=s.b# and st.store#=s.store#

Hi friends, i am trying to draw query tree i dont know how to draw query tree for above example. can you help me in that. thanks in advance

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