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      <h1>SQL Reference</h1>
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      <p>SQL Reference</p>
      <p><a href="SELECT%20Statement/SELECT%20Statement.htm">SELECT Statement</a></p>
      <p><a href="Joins.htm">Joins</a></p>
      <p><a href="Nested%20Queries.htm">Nested Queries</a></p>
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      <h2>SQL Reference</h2>
      <p>Omnidex provides a high level SQL interface to access databases enhanced 
        with Omnidex indexes. The SQL supported is a subset of the ANSI SQL2 standard 
        along with some very powerful extensions specific to Omnidex.</p>
      <p>SQL should be used for all Omnidex application development including 
        ODBC applications, Java applications using the Omnidex JDBC driver, and 
        OmniAccess applications through oaexecsql. The Query Language extensions 
        work in conjunction with the SQL standard syntax, in all types of applications.</p>
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