Database Programming with JDBC and Java by George Reese

By George Reese

The Java Database Connectivity sessions (JDBC) sensibly supply an interface among a platform-independent programming language (Java) and a standardized database language (Structured question Language, or SQL). pretty well each Java software that is interested by transactions or different enterprise operations connects to a database via JDBC; so, familiarity with the JDBC sessions can amplify your different Java talents. Database Programming with JDBC and Java explains how JDBC matches into unitized software program functions during which numerous useful elements converse over a community. writer George Reese additionally exhibits how one can write courses that reap the benefits of the JDBC sessions, emphasizing the main regular ones (such as those who practice INSERT and choose operations), yet giving additionally the extra vague sessions their due.This ebook is basically an ongoing lecture of accelerating complexity. to quote one thread, it starts with transparent yet educational examples that contain discrete transactions (opening a connection, appearing a question, and shutting the connection). It then strikes directly to connection pooling and different JDBC-supported optimizations for the true international. A menagerie of specialised sections on such themes as safety and patience depend seriously on lengthy code examples. a piece on Swing programming turns out form of misplaced, yet it really is brief. In sum, this narrow quantity is a brilliant creation to JDBC if you want to procedure Java dispensed purposes when it comes to database paintings.

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The DriverManager provides registerDriver() and deregisterDriver( ) methods, which allow a Driver implementation to register itself with the DriverManager or remove itself from that list. You can get an enumeration of registered drivers through the getDrivers() method. Connection The Connection class represents a single logical database connection. In other words, you use the Connection class for sending a series of SQL statements to the database and managing the committing or aborting of those statements.

Jar files explicitly into a CLASSPATH. jar. Connection fails with the message "Driver not found" You did not register your JDBC driver with the DriverManager class. This chapter describes several ways to register a JDBC driver. forName() method of registering a JDBC driver encounter an inconsistency between the JDBC specification and some JVM implementions. newInstance() method as a workaround. Connection implementation from the DriverManager . Driver implementations for the one that connects with the URL you provided.

For relational database engines such as Oracle that use object extensions, JDBC is still probably the right answer. Object databases that have SQL frontends, however, may have a better Java approach. 2 Connecting to the Database Now I am going to dive into the details about JDBC calls and how to use them. The examples in this book should run on your system regardless of the database or driver you use. The one phase when it is hard to achieve portability is the first step of connecting, because you have to specify a driver.

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