The Apache adapters all enable access to structured and complex data managed by Hadoop. These adapters are JDBC-based. They convert data access requests into JDBC calls and returns optimized answer sets. In the case of Apache Phoenix, the adapter passes requests and returns data from HBase.
The Adapter for Presto functions similarly to an RDBMS adapter to handle SQL queries with Presto. It is also JDBC-based and converts application requests into JDBC calls and returns optimized answer sets. It allows the Presto distributed SQL query engine to exploit its own internal optimization techniques.
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