Java interview questions: - Explain JDBC and steps included in the JDBC connection.

Published on by javainterviewseries

A widely asked Java interview questions in most of the Java interview.

 

So one can start the answer as follows: -

 

Definition: -


JDBC is a set of Java API for executing SQL statements. This API consists of a set of classes and interfaces to enable programs to write pure Java Database applications

 

Steps in the JDBC connection: -


Step 1: Register the database driver by using:

 Class.forName(\" driver class for that specific database\" ); 

Step 2: Now create a database connection using:

 Connection con = DriverManager.getConnection(url,username,password); 

Step 3: Now create a query using:

 Statement stmt = Connection.Statement(\"select * from TABLE NAME\"); 

Step 4: Execute the query:

 stmt.exceuteUpdate(); 

Also see the following video on Java Builder Design Pattern as follows: -

 

 

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Regards,


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