PreparedStatementCreator is a utility class provided by Spring Framework that helps developers to easily construct prepared statements. A PreparedStatementCreator consists of two parts - a PreparedStatementSetter which is used to specify the SQL parameters and an associated PreparedStatementCreatorFactory which functions as a factory to create the PreparedStatement object. It is often used in conjunction with the Spring JDBCTemplate class, where the former specifies how to convert values into parameters while the latter executes queries and maps results back. For applications that frequently execute similar queries, using this pattern can be very useful as it eliminates the need of manually constructing complex SQL statements. Moreover, when dealing with Change Data Capture (CDC) for complex data sources like MongoDB or other NoSQL databases, using a PreparedStatementCreator helper makes writing custom code much easier than using raw SQL. Overall, the use of this class can significantly reduce development time and lead to improved developer efficiency and code readability. Therefore, being able to answer questions about PreparedStatmentCreator or other related classes can be important for anyone interviewing for a job involving working with Spring MVC framework.