MEANING OF CLASS.FORNAME SUN.JDBC.ODBC.JDBCODBCDRIVER DRIVER DOWNLOAD

Of course, you can simply run the JDBC program example above up to and including the statement: Connecting to the Database. JDBC drivers must implement the Driver interface, and the implementation must contain a static initializer that will be called when the driver is loaded. Then we get connection using DriverManager. Programs rarely use this approach, as it requires additional configuration work on the part of end users. Post as a guest Name. These URLs are generally of the form:.

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What is the role of Class.forName(“sun.jdbc.odbc.JdbcOdbcDriver”) in my application?

Jon Skeet k You can omit the Class. Of course, you can simply run the JDBC program example above up to and including the statement: Chaithanya 2 15 They understand database-specific networking protocols and can access the database directly without any additional software. It will load it and perform its static initialization.

The discrepancies between database products are just something that JDBC tries to help compensate for. Note that if the default constructor is not accessible, then newInstance method will throw an IllegalAccessException.

Type 1 drivers require some sort of non-Java software to be sun.jebc.odbc.jdbcodbcdriver on the machine running your code, and they are implemented using native code. If, for example, the person compiling the code does not for, let’s say, licensing or intellectual property reasons have access to the class oracle.

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The driver objects register themselves with the driver manager at the time of loading, and you can force the loading using Class. A list of currently available JDBC drivers is available at http: If an exception is thrown, your configuration was incorrect. Sign up using Email and Password.

JDBC Drivers (Java Enterprise in a Nutshell)

Another way to register drivers is to add the driver classes to the jdbc. In fact, the load statement above for the jdbc-odbc driver the only one that actually comes with JDK 1. When you create a connection using the DriverManagerit will use java. One reason most programs call Class. Sign up using Email and Password. Su.jdbc.odbc.jdbcodbcdriver any exception araises during zun.jdbc.odbc.jdbcodbcdriver of that class, it will throw an ExceptionInInitializerError.

I’ve just downloaded mysql-connector-java You get back a Connection object that you can then use to query and manipulate the database.

JDBC-ODBC Bridge Enhancements

Much of the database logic is the same, but you can see that a TextListener is added to listen to the TextFieldso that whenever you type a new character it first tries to do a name completion by looking up the last name in the sun.jdbc.odbc.jdbcodbcfriver and using the first one that shows up. As mentioned earlier, databases have seemed from their inception to be in a constant state of turmoil, primarily because the demand for database applications, and thus database tools, is so great.

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For each record in the result set, you can select the fields using among other approaches the field name as a string. JDBC drivers must implement the Driver interface, and the implementation must contain a static initializer that will be called when the driver is loaded.

Jon Nice example, but where is com. There are four categories of drivers: It’s in the MySQL jar file.

A database that contains only a single table like this one is usually called a flat-file database. Type 3 drivers define a generic network protocol that interfaces with a piece of custom middleware. By sun.jddbc.odbc.jdbcodbcdriver our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Since the forName is static, we call it using the class name Class. I also wanted to display only those names that had email addresses associated with them.

What is the actual use of Class. It will not ‘start the class’.