Why jdbc

JDBC makes it possible to do establish a connection with a data source, send queries and update statements, and process the results. Connecting to a data source using a JDBC driver 2. Extracting metadata of a data source via JDBC driver. Connect to your application with enterprise level JDBC connectivity. Services Consulting Education Modernization Outsourcing. Simply, JDBC makes it possible to do the following things within a Java application: Establish a connection with a data source Send queries and update statements to the data source Process the results The following figure shows the components of the JDBC model.

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Data Structures. Operating System. Computer Network. Compiler Design. Computer Organization. Discrete Mathematics. Every new JDBC release since then has featured updates to both the client-side package java. JDBC 4. The JDBC interface consists of two layers:. Beneath that is the JDBC-compliant driver for the database you are using. One of the fortunate facts of programming in the Java ecosystem is that you will likely find a stable JDBC database connector for whatever database you choose.

SQLite is a very compact database. It isn't intended for production use, but is a great choice for quickly trying things out. SQLite uses a file as its functional database, without requiring any service or daemon installations. To get started with this demo, go ahead and download the SQLite sample database. Unzip the. To begin, you will need to have a compatible JDK installation for your operating system.

Assuming you have the Java platform developer tools installed, we can start by creating a simple Java program. In your text editor, paste in the code shown in Listing 1. Call this file WhatIsJdbc. Now compile the code by entering the command: javac WhatIsJdbc. Compiling will output the WhatIsJdbc.

Execute this file from the command line with the call: java WhatIsJdbc. Paste in the code from Listing 2 at the head of your simple Java program. Each of these imports provides access to a class that facilitates the standard Java database connection:. Next, you'll add the SQLite driver to your classpath. Be sure to get the most recent.