Database Transactions with Perl To understand what is a database transaction lets look at a simple bank withdrawal and deposit scenario. Assume that you have two bank accounts call A and B, and you need withdraw some amount from account A and Deposit it on account B. In this scenario what happen if you couldn't withdraw money from your account A, the deposit part won't carry out. Again if you couldn't deposit the money to your account B you have to deposit them back on account A (Which means a roll back). So in the context of Database, Transaction is refer to a sequence of jobs which is supposed to run as a whole. So in other words, it should happen as whole or not. So as in our following example, we have 3 Database queries which should perform as a whole. Further assume that our first Database query is supposed to perform a insert if successful, second query should update a table if successful, third query should delete an entry from a ...