A) ->Batch updates is a formality given by JDBC using which, DML SQL statement can be grouped physically into one unit and at a time submitted to the DBMS for processing as a batch. ->Batch updates mechanism improves performance some times by reducing the number of client/server interaction. ->we have 2 kinds of business Systems. 1) OLTPS (Online Transaction Processing Systems) 2) Batch processing System. To support batch processing systems, batch updates is given in JDBC. ->In case of OLTP, end user waits the system responds after giving input into the system. ->in case of batch processing system, end user doesn’t wait for the systems responds. ATM application is an example for OLTP. ->At the end of every month, all accounts must be created by their earned interest is an example use case of batch processing.
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