Chapter 15. Parsing a Query Language


  
Building Parsers with Java
By Steven  John  Metsker

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This chapter shows how to create a parser for a query language. A query language parser translates textual queries into calls to an engine. Commercial databases send queries to an engine that comes with the database product. Instead of using a commercial engine, this chapter uses the logic engine developed in Chapter 12. The engine proves the query against a data source and returns successful proofs as the result of the query. For its examples this chapter uses Jaql, a query language created for this book.


   
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Building Parsers with Java
Building Parsers With Javaв„ў
ISBN: 0201719622
EAN: 2147483647
Year: 2000
Pages: 169

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