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What is the purpose of the Batch processing feature in JDBC?Question 1Answera.Executing multiple SQL statements as a single batchb.Running parallel queriesc.Handling database connectionsd.Generating random SQL statements

Question

What is the purpose of the Batch processing feature in JDBC?Question 1Answera.Executing multiple SQL statements as a single batchb.Running parallel queriesc.Handling database connectionsd.Generating random SQL statements

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Solution

The purpose of the Batch processing feature in JDBC is to execute multiple SQL statements as a single batch. This feature is particularly useful when you need to execute a large number of SQL commands, as it reduces the number of database calls and increases performance. Here's how it works:

  1. Create a Statement object: This is done using the createStatement() method of the Connection object.

  2. Add SQL commands to the batch: You can add multiple SQL commands to the batch using the addBatch(String sql) method of the Statement object. Each command is added as a separate string.

  3. Execute the batch: Once all commands have been added, you can execute the batch using the executeBatch() method of the Statement object. This sends all commands to the database at once, which are then executed in the order they were added.

  4. Handle the results: The executeBatch() method returns an array of integers, each element of which indicates the number of rows affected by the corresponding command in the batch.

So, the correct answer is a. Executing multiple SQL statements as a single batch.

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