Java Database Connectivity (JDBC) is Java functionality that allows us to access and modify data in a database. It is supported by the JDBC API (the java.sql, javax.sql, and java.transaction.xa packages) and the database-specific implementation of an interface for the database access (called a database driver) provided by each database vendor.
When people say they are using JDBC, it means they write code that manages data in a database using the interfaces and classes of the JDBC API and a database-specific driver that knows how to connect the application with the particular database. Using this connection, an application can then issue requests written in Structured Query Language (SQL). Naturally, we are talking here only about the databases that understand SQL. They are called relational (or tabular) and compose the vast majority of...