what is the difference between sql query and google query?
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Answer Posted / ale
Google does this:
http://en.wikipedia.org/wiki/Full_text_search for the internet
SQL: Does this http://en.wikipedia.org/wiki/Sql
SQL is an algebra for manipulating tables. So you have
operators to select certain (projection operators) parts of
a table and operators to join tables. Remember that tables
are relations, you can talk about an algebra of relations.
Full text search is something very different, it's like the
index of a book, you look for a word and it tells you which
page to go.
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