Question

Explain use of commit() and rollback() in JDBC programming with the help of a small Program.

01 Dec 2023
Answer :
Word Count : 813

Introduction to JDBC Programming:

Java Database Connectivity (JDBC) is a Java-based API that enables Java applications to interact with relational databases. It provides a standard interface for connecting to relational databases and performing various database operations.

Commit() and Rollback() in JDBC:

In the context of JDBC programming, `commit()` and `rollback()` are methods associated with database transactions. A database transaction is a sequence of one or more SQL statements that are executed as a single unit of work. The `commit()` and `rollback()` methods are used to manage these transactions.

- commit(): The `commit()` method is used to permanently save the changes made during the current transaction. Once a transaction is committed, the changes become permanent and visible to other database sessions.

- rollback(): The `rollback()` method is used to undo the changes made during the current transaction. If there is an error or any other issue during the transaction, the `rollback()` method can be called to revert the database to its state before the transaction started.

Example Program:

Let's consider a simple Java program that demonstrates the use of `commit()` and `rollback()` in JDBC programming. In this example, we'll connect to a hypothetical database, perform some transactions, and demonstrate how to commit or rollback ________ _____ ________ _______ __________ _______ _______ _____ __________ _____.
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