JDBC stands for the Java database connectivity protocol. Based on the same X/Open CLI standard as Microsoft's object database connectivity protocol, the JDBC applications programmable interface ...

The JDBC driver architecture JDBC provides a programming-level interface for uniformly communicating with databases.

Hassle-free JDBC programming The framework outlined in this article allows queries, updates, and transactions to execute without the hassle and redundancy typically experienced with such operations.

Oracle in JDBC (at least when I used it) was completely happy with you having multiple statements active on the same cnonection (though ech could only have one result set).