Get an overview of JDBC's architecture, then learn how to connect to a database and handle SQL queries and responses with PreparedStatements, transactions, connection pooling, and more.

Recursive SQL can be very elegant and efficient. However, because of the difficulty developers can have understanding recursion, it is sometimes thought of as 'too inefficient to use frequently.' But, ...

Instead, you should use ANSI SQL, which is a platform-independent database language. Whenprogramming for DBMS independence, not all systems fully support the ANSI SQL standard.