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I created a HSQLDB file using LibreOffice Base 4.4.7.2. In the Tool>Option>Advanced, the JRE class path is set to my JDK 1.7.0_80 & it is selected. The database contains a table named TABLE1. In the Eclipse IDE, I added the hsqldb.jar (version 2.3.4 downloaded from hsql.org) to "Referenced Libraries" under Java Build Path. Here are codes to access the file with JDBC: import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement;...