The Structured Query Language
JDBC lets you communicate with databases using SQL, which is the command language for essentially all modern relational databases. Desktop databases usually have a graphical user interface that lets users manipulate the data directly, but server-based databases are accessed purely through SQL. Most desktop databases have a SQL interface as well, but it often does not support the full SQL standard.
The JDBC package can be thought of as nothing more than an application programming interface (API) for communicating SQL statements to databases. We briefly introduce SQL in this section. If you have never seen SQL before, you may not find this material sufficient. If so, you should turn to one of the many books on the ...
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