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<span class="sr-only">Apache Calcite</span>
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<p class="first">The foundation for your next high-performance database.</p>
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<h2>Standard SQL</h2>
<p>Industry-standard SQL parser, validator and JDBC driver.</p>
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<h2>Query optimization</h2>
<p>Represent your query in relational algebra, transform using
planning rules, and optimize according to a cost model.</p>
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<h2>Any data, anywhere</h2>
<p>Connect to third-party data sources, browse metadata, and optimize by pushing the computation to the data.</p>
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