Using Local Transactions
A transaction is a group of SQL statements that represents one unit of work. A transaction executes all of its statements or none at all. JDBC handles both local and distributed transactions. Today we're covering only local transactions; distributed transactions are deferred to Day 16, when you'll study the concepts of the JTA (Java Transaction API).
A local transaction belongs only to the current process, and deals with only a single resource manager that handles a DataSource. An RDBMS is an example of a resource manager., A distributed transaction, on the other hand, manages multiple DataSources across multiple processes. All database operations mentioned earlier today that use a Statement object are implicitly transactional ...
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