IGNOU MCS 220 2026 2027 - A university wishes to develop an online student registration sy

Question

A university wishes to develop an online student registration system. Explain how JDBC can be used to connect the application with a relational database. Illustrate the steps involved in establishing the connection, executing SQL statements and handling exceptions.

30 Jul 2026

Answer :

Word Count : 630

A university online student registration system requires a reliable mechanism to store, retrieve, update, and manage student records in a relational database. Java Database Connectivity (JDBC) is a standard Java API that enables Java applications to communicate with databases such as MySQL, Oracle, PostgreSQL, or SQL Server. JDBC provides classes and interfaces that allow developers to establish a database connection, execute SQL queries, process the results, and handle errors efficiently. It acts as a bridge between the Java application and the database management system, making database operations simple and secure. In an online student registration system, the database may contain tables such as Students, Courses, Registration, Faculty, and Departments. When a student registers for a course, the application uses JDBC to insert the registration details into the database. Similarly, it retrieves student profiles, course lists, and registration status using SQL queries executed through JDBC. The first step in using JDBC is to import the required JDBC packages, usually by including `java.sql.*` in the Java program. These packages contain interfaces and classes such as Connection, DriverManager, Statement, PreparedStatement, ResultSet, and SQLException. The second step is loading the JDBC driver. Modern JDBC drivers are loaded automatically, but earlier versions required the use of `Class.forName()` to register the database driver. For example, the MySQL driver class is `com.mysql.cj.jdbc.Driver`. The driver acts as an intermediary between the Java application and the database. The third step is establishing

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